Home / 198,468.66-273,817.89-126,890.58

Finding the Fourth Proportional to 198,468.66, 273,817.89 and 126,890.58

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Solution

The fourth proportional to 198,468.66, 273,817.89 and 126,890.58 is: 175,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,468.66 : 273,817.89 = 126,890.58 : x
  2. Step 2: Convert to fraction form
    198,468.66/273,817.89 = 126,890.58/x
  3. Step 3: Cross multiply
    198,468.66x = 273,817.89 × 126,890.58
  4. Step 4: Simplify right side
    198,468.66x = 34,744,910,876.48
  5. Step 5: Solve for x
    x = 34,744,910,876.48/198,468.66
  6. Step 6: Final answer
    x = 175,064.97

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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.