Home / 87,938.20-131,897.56-25,608.72

Finding the Fourth Proportional to 87,938.20, 131,897.56 and 25,608.72

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Solution

The fourth proportional to 87,938.20, 131,897.56 and 25,608.72 is: 38,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,938.20 : 131,897.56 = 25,608.72 : x
  2. Step 2: Convert to fraction form
    87,938.20/131,897.56 = 25,608.72/x
  3. Step 3: Cross multiply
    87,938.20x = 131,897.56 × 25,608.72
  4. Step 4: Simplify right side
    87,938.20x = 3,377,727,682.72
  5. Step 5: Solve for x
    x = 3,377,727,682.72/87,938.20
  6. Step 6: Final answer
    x = 38,410.24

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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.