Home / 187,877.62-281,812.32-45,723.52

Finding the Fourth Proportional to 187,877.62, 281,812.32 and 45,723.52

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Solution

The fourth proportional to 187,877.62, 281,812.32 and 45,723.52 is: 68,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,877.62 : 281,812.32 = 45,723.52 : x
  2. Step 2: Convert to fraction form
    187,877.62/281,812.32 = 45,723.52/x
  3. Step 3: Cross multiply
    187,877.62x = 281,812.32 × 45,723.52
  4. Step 4: Simplify right side
    187,877.62x = 12,885,451,249.77
  5. Step 5: Solve for x
    x = 12,885,451,249.77/187,877.62
  6. Step 6: Final answer
    x = 68,584.28

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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.