Finding the Fourth Proportional to 134,701.90, 202,344.45 and 129,744.70
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Solution
The fourth proportional to 134,701.90, 202,344.45 and 129,744.70 is: 194,897.92
Step by Step Solution
- Step 1: Write the proportion equation
134,701.90 : 202,344.45 = 129,744.70 : x - Step 2: Convert to fraction form
134,701.90/202,344.45 = 129,744.70/x - Step 3: Cross multiply
134,701.90x = 202,344.45 × 129,744.70 - Step 4: Simplify right side
134,701.90x = 26,253,119,961.92 - Step 5: Solve for x
x = 26,253,119,961.92/134,701.90 - Step 6: Final answer
x = 194,897.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.