Home / 198,793.92-274,335.40-108,149.60

Finding the Fourth Proportional to 198,793.92, 274,335.40 and 108,149.60

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Solution

The fourth proportional to 198,793.92, 274,335.40 and 108,149.60 is: 149,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,793.92 : 274,335.40 = 108,149.60 : x
  2. Step 2: Convert to fraction form
    198,793.92/274,335.40 = 108,149.60/x
  3. Step 3: Cross multiply
    198,793.92x = 274,335.40 × 108,149.60
  4. Step 4: Simplify right side
    198,793.92x = 29,669,263,775.84
  5. Step 5: Solve for x
    x = 29,669,263,775.84/198,793.92
  6. Step 6: Final answer
    x = 149,246.33

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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.