Home / 87,400.20-131,105.18-25,069

Finding the Fourth Proportional to 87,400.20, 131,105.18 and 25,069

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Solution

The fourth proportional to 87,400.20, 131,105.18 and 25,069 is: 37,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400.20 : 131,105.18 = 25,069 : x
  2. Step 2: Convert to fraction form
    87,400.20/131,105.18 = 25,069/x
  3. Step 3: Cross multiply
    87,400.20x = 131,105.18 × 25,069
  4. Step 4: Simplify right side
    87,400.20x = 3,286,675,757.42
  5. Step 5: Solve for x
    x = 3,286,675,757.42/87,400.20
  6. Step 6: Final answer
    x = 37,604.90

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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.