Finding the Fourth Proportional to 134,531.48, 185,656.25 and 74,104.67
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Solution
The fourth proportional to 134,531.48, 185,656.25 and 74,104.67 is: 102,265.99
Step by Step Solution
- Step 1: Write the proportion equation
134,531.48 : 185,656.25 = 74,104.67 : x - Step 2: Convert to fraction form
134,531.48/185,656.25 = 74,104.67/x - Step 3: Cross multiply
134,531.48x = 185,656.25 × 74,104.67 - Step 4: Simplify right side
134,531.48x = 13,757,995,789.09 - Step 5: Solve for x
x = 13,757,995,789.09/134,531.48 - Step 6: Final answer
x = 102,265.99
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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.