Home / 187,849.41-281,306.64-131,425.52

Finding the Fourth Proportional to 187,849.41, 281,306.64 and 131,425.52

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Solution

The fourth proportional to 187,849.41, 281,306.64 and 131,425.52 is: 196,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,849.41 : 281,306.64 = 131,425.52 : x
  2. Step 2: Convert to fraction form
    187,849.41/281,306.64 = 131,425.52/x
  3. Step 3: Cross multiply
    187,849.41x = 281,306.64 × 131,425.52
  4. Step 4: Simplify right side
    187,849.41x = 36,970,870,034.92
  5. Step 5: Solve for x
    x = 36,970,870,034.92/187,849.41
  6. Step 6: Final answer
    x = 196,811.21

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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.