Finding the Fourth Proportional to 132,937.26, 183,349.68 and 85,195.02
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Solution
The fourth proportional to 132,937.26, 183,349.68 and 85,195.02 is: 117,502.64
Step by Step Solution
- Step 1: Write the proportion equation
132,937.26 : 183,349.68 = 85,195.02 : x - Step 2: Convert to fraction form
132,937.26/183,349.68 = 85,195.02/x - Step 3: Cross multiply
132,937.26x = 183,349.68 × 85,195.02 - Step 4: Simplify right side
132,937.26x = 15,620,479,654.59 - Step 5: Solve for x
x = 15,620,479,654.59/132,937.26 - Step 6: Final answer
x = 117,502.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.