Home / 87,524.76-131,445.18-80,491.80

Finding the Fourth Proportional to 87,524.76, 131,445.18 and 80,491.80

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Solution

The fourth proportional to 87,524.76, 131,445.18 and 80,491.80 is: 120,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,524.76 : 131,445.18 = 80,491.80 : x
  2. Step 2: Convert to fraction form
    87,524.76/131,445.18 = 80,491.80/x
  3. Step 3: Cross multiply
    87,524.76x = 131,445.18 × 80,491.80
  4. Step 4: Simplify right side
    87,524.76x = 10,580,259,139.52
  5. Step 5: Solve for x
    x = 10,580,259,139.52/87,524.76
  6. Step 6: Final answer
    x = 120,883.04

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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.