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Finding the Fourth Proportional to 80,099.92, 120,155.55 and 23,939.38

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Solution

The fourth proportional to 80,099.92, 120,155.55 and 23,939.38 is: 35,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,099.92 : 120,155.55 = 23,939.38 : x
  2. Step 2: Convert to fraction form
    80,099.92/120,155.55 = 23,939.38/x
  3. Step 3: Cross multiply
    80,099.92x = 120,155.55 × 23,939.38
  4. Step 4: Simplify right side
    80,099.92x = 2,876,449,370.56
  5. Step 5: Solve for x
    x = 2,876,449,370.56/80,099.92
  6. Step 6: Final answer
    x = 35,910.76

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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.