Home / 83,403.97-125,105.50-20,224.04

Finding the Fourth Proportional to 83,403.97, 125,105.50 and 20,224.04

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Solution

The fourth proportional to 83,403.97, 125,105.50 and 20,224.04 is: 30,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,403.97 : 125,105.50 = 20,224.04 : x
  2. Step 2: Convert to fraction form
    83,403.97/125,105.50 = 20,224.04/x
  3. Step 3: Cross multiply
    83,403.97x = 125,105.50 × 20,224.04
  4. Step 4: Simplify right side
    83,403.97x = 2,530,138,898.42
  5. Step 5: Solve for x
    x = 2,530,138,898.42/83,403.97
  6. Step 6: Final answer
    x = 30,335.95

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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.