Home / 177,451.38-266,045.82-83,847.78

Finding the Fourth Proportional to 177,451.38, 266,045.82 and 83,847.78

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Solution

The fourth proportional to 177,451.38, 266,045.82 and 83,847.78 is: 125,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,451.38 : 266,045.82 = 83,847.78 : x
  2. Step 2: Convert to fraction form
    177,451.38/266,045.82 = 83,847.78/x
  3. Step 3: Cross multiply
    177,451.38x = 266,045.82 × 83,847.78
  4. Step 4: Simplify right side
    177,451.38x = 22,307,351,385.28
  5. Step 5: Solve for x
    x = 22,307,351,385.28/177,451.38
  6. Step 6: Final answer
    x = 125,709.65

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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.