Home / 87,667.20-131,500.80-25,337.76

Finding the Fourth Proportional to 87,667.20, 131,500.80 and 25,337.76

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Solution

The fourth proportional to 87,667.20, 131,500.80 and 25,337.76 is: 38,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,667.20 : 131,500.80 = 25,337.76 : x
  2. Step 2: Convert to fraction form
    87,667.20/131,500.80 = 25,337.76/x
  3. Step 3: Cross multiply
    87,667.20x = 131,500.80 × 25,337.76
  4. Step 4: Simplify right side
    87,667.20x = 3,331,935,710.21
  5. Step 5: Solve for x
    x = 3,331,935,710.21/87,667.20
  6. Step 6: Final answer
    x = 38,006.64

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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.