Home / 198,832.11-298,248.17-72,481.83

Finding the Fourth Proportional to 198,832.11, 298,248.17 and 72,481.83

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Solution

The fourth proportional to 198,832.11, 298,248.17 and 72,481.83 is: 108,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,832.11 : 298,248.17 = 72,481.83 : x
  2. Step 2: Convert to fraction form
    198,832.11/298,248.17 = 72,481.83/x
  3. Step 3: Cross multiply
    198,832.11x = 298,248.17 × 72,481.83
  4. Step 4: Simplify right side
    198,832.11x = 21,617,572,793.34
  5. Step 5: Solve for x
    x = 21,617,572,793.34/198,832.11
  6. Step 6: Final answer
    x = 108,722.75

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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.