Home / 187,965.62-281,882.79-75,616.73

Finding the Fourth Proportional to 187,965.62, 281,882.79 and 75,616.73

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Solution

The fourth proportional to 187,965.62, 281,882.79 and 75,616.73 is: 113,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,965.62 : 281,882.79 = 75,616.73 : x
  2. Step 2: Convert to fraction form
    187,965.62/281,882.79 = 75,616.73/x
  3. Step 3: Cross multiply
    187,965.62x = 281,882.79 × 75,616.73
  4. Step 4: Simplify right side
    187,965.62x = 21,315,053,413.66
  5. Step 5: Solve for x
    x = 21,315,053,413.66/187,965.62
  6. Step 6: Final answer
    x = 113,398.68

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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.