Home / 187,961.49-281,951.78-54,851.85

Finding the Fourth Proportional to 187,961.49, 281,951.78 and 54,851.85

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Solution

The fourth proportional to 187,961.49, 281,951.78 and 54,851.85 is: 82,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,961.49 : 281,951.78 = 54,851.85 : x
  2. Step 2: Convert to fraction form
    187,961.49/281,951.78 = 54,851.85/x
  3. Step 3: Cross multiply
    187,961.49x = 281,951.78 × 54,851.85
  4. Step 4: Simplify right side
    187,961.49x = 15,465,576,469.53
  5. Step 5: Solve for x
    x = 15,465,576,469.53/187,961.49
  6. Step 6: Final answer
    x = 82,280.56

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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.