Force of Tension

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1. The problem statement, all variables and given/known data
Find the force of tension and \theta.


2. Relevant equations

F_e=\frac{kq_1q_2}{r^2}

F_g=mg

tan\theta=(\frac{opposite}{adjacent})

3. The attempt at a solution
http://i34.tinypic.com/2s1rkf6.jpg

Am I correct?

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Does anyone need me to explain the problem?

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Is there a reason why no one is answering my question? Because if there is I will try to do something about it, whether it is to restate the problem, or explain my work.