Home / 87,500.20-131,250.30-32,117.80

Finding the Fourth Proportional to 87,500.20, 131,250.30 and 32,117.80

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Solution

The fourth proportional to 87,500.20, 131,250.30 and 32,117.80 is: 48,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,500.20 : 131,250.30 = 32,117.80 : x
  2. Step 2: Convert to fraction form
    87,500.20/131,250.30 = 32,117.80/x
  3. Step 3: Cross multiply
    87,500.20x = 131,250.30 × 32,117.80
  4. Step 4: Simplify right side
    87,500.20x = 4,215,470,885.34
  5. Step 5: Solve for x
    x = 4,215,470,885.34/87,500.20
  6. Step 6: Final answer
    x = 48,176.70

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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.