Home / 87,740.38-131,610.57-25,410.88

Finding the Fourth Proportional to 87,740.38, 131,610.57 and 25,410.88

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Solution

The fourth proportional to 87,740.38, 131,610.57 and 25,410.88 is: 38,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,740.38 : 131,610.57 = 25,410.88 : x
  2. Step 2: Convert to fraction form
    87,740.38/131,610.57 = 25,410.88/x
  3. Step 3: Cross multiply
    87,740.38x = 131,610.57 × 25,410.88
  4. Step 4: Simplify right side
    87,740.38x = 3,344,340,401.00
  5. Step 5: Solve for x
    x = 3,344,340,401.00/87,740.38
  6. Step 6: Final answer
    x = 38,116.32

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1.5x scale

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.