Finding the Fourth Proportional to 125,057.91, 187,481.75 and 101,306.56
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Solution
The fourth proportional to 125,057.91, 187,481.75 and 101,306.56 is: 151,874.68
Step by Step Solution
- Step 1: Write the proportion equation
125,057.91 : 187,481.75 = 101,306.56 : x - Step 2: Convert to fraction form
125,057.91/187,481.75 = 101,306.56/x - Step 3: Cross multiply
125,057.91x = 187,481.75 × 101,306.56 - Step 4: Simplify right side
125,057.91x = 18,993,130,883.10 - Step 5: Solve for x
x = 18,993,130,883.10/125,057.91 - Step 6: Final answer
x = 151,874.68
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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.