Finding the Fourth Proportional to 107,432.20, 161,148.30 and 96,545.80
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Solution
The fourth proportional to 107,432.20, 161,148.30 and 96,545.80 is: 144,818.70
Step by Step Solution
- Step 1: Write the proportion equation
107,432.20 : 161,148.30 = 96,545.80 : x - Step 2: Convert to fraction form
107,432.20/161,148.30 = 96,545.80/x - Step 3: Cross multiply
107,432.20x = 161,148.30 × 96,545.80 - Step 4: Simplify right side
107,432.20x = 15,558,191,542.14 - Step 5: Solve for x
x = 15,558,191,542.14/107,432.20 - Step 6: Final answer
x = 144,818.70
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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.