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Finding the Fourth Proportional to 80,100.74, 120,149.96 and 23,939.60

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Solution

The fourth proportional to 80,100.74, 120,149.96 and 23,939.60 is: 35,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,100.74 : 120,149.96 = 23,939.60 : x
  2. Step 2: Convert to fraction form
    80,100.74/120,149.96 = 23,939.60/x
  3. Step 3: Cross multiply
    80,100.74x = 120,149.96 × 23,939.60
  4. Step 4: Simplify right side
    80,100.74x = 2,876,341,982.42
  5. Step 5: Solve for x
    x = 2,876,341,982.42/80,100.74
  6. Step 6: Final answer
    x = 35,909.06

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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.