Home / 198,498.12-273,939.66-113,613.24

Finding the Fourth Proportional to 198,498.12, 273,939.66 and 113,613.24

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Solution

The fourth proportional to 198,498.12, 273,939.66 and 113,613.24 is: 156,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,498.12 : 273,939.66 = 113,613.24 : x
  2. Step 2: Convert to fraction form
    198,498.12/273,939.66 = 113,613.24/x
  3. Step 3: Cross multiply
    198,498.12x = 273,939.66 × 113,613.24
  4. Step 4: Simplify right side
    198,498.12x = 31,123,172,337.10
  5. Step 5: Solve for x
    x = 31,123,172,337.10/198,498.12
  6. Step 6: Final answer
    x = 156,793.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.