Home / 198,769.96-274,304.40-108,127.92

Finding the Fourth Proportional to 198,769.96, 274,304.40 and 108,127.92

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Solution

The fourth proportional to 198,769.96, 274,304.40 and 108,127.92 is: 149,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,769.96 : 274,304.40 = 108,127.92 : x
  2. Step 2: Convert to fraction form
    198,769.96/274,304.40 = 108,127.92/x
  3. Step 3: Cross multiply
    198,769.96x = 274,304.40 × 108,127.92
  4. Step 4: Simplify right side
    198,769.96x = 29,659,964,218.85
  5. Step 5: Solve for x
    x = 29,659,964,218.85/198,769.96
  6. Step 6: Final answer
    x = 149,217.54

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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.