Home / 187,658.73-281,456.37-52,691.85

Finding the Fourth Proportional to 187,658.73, 281,456.37 and 52,691.85

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Solution

The fourth proportional to 187,658.73, 281,456.37 and 52,691.85 is: 79,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,658.73 : 281,456.37 = 52,691.85 : x
  2. Step 2: Convert to fraction form
    187,658.73/281,456.37 = 52,691.85/x
  3. Step 3: Cross multiply
    187,658.73x = 281,456.37 × 52,691.85
  4. Step 4: Simplify right side
    187,658.73x = 14,830,456,829.58
  5. Step 5: Solve for x
    x = 14,830,456,829.58/187,658.73
  6. Step 6: Final answer
    x = 79,028.87

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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.