Home / 187,344.18-281,108.52-87,489.87

Finding the Fourth Proportional to 187,344.18, 281,108.52 and 87,489.87

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Solution

The fourth proportional to 187,344.18, 281,108.52 and 87,489.87 is: 131,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,344.18 : 281,108.52 = 87,489.87 : x
  2. Step 2: Convert to fraction form
    187,344.18/281,108.52 = 87,489.87/x
  3. Step 3: Cross multiply
    187,344.18x = 281,108.52 × 87,489.87
  4. Step 4: Simplify right side
    187,344.18x = 24,594,147,870.69
  5. Step 5: Solve for x
    x = 24,594,147,870.69/187,344.18
  6. Step 6: Final answer
    x = 131,277.89

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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.