Home / 87,402.20-131,108.18-25,071

Finding the Fourth Proportional to 87,402.20, 131,108.18 and 25,071

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Solution

The fourth proportional to 87,402.20, 131,108.18 and 25,071 is: 37,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402.20 : 131,108.18 = 25,071 : x
  2. Step 2: Convert to fraction form
    87,402.20/131,108.18 = 25,071/x
  3. Step 3: Cross multiply
    87,402.20x = 131,108.18 × 25,071
  4. Step 4: Simplify right side
    87,402.20x = 3,287,013,180.78
  5. Step 5: Solve for x
    x = 3,287,013,180.78/87,402.20
  6. Step 6: Final answer
    x = 37,607.90

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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.