Home / 187,403.43-281,105.16-54,283.74

Finding the Fourth Proportional to 187,403.43, 281,105.16 and 54,283.74

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Solution

The fourth proportional to 187,403.43, 281,105.16 and 54,283.74 is: 81,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,403.43 : 281,105.16 = 54,283.74 : x
  2. Step 2: Convert to fraction form
    187,403.43/281,105.16 = 54,283.74/x
  3. Step 3: Cross multiply
    187,403.43x = 281,105.16 × 54,283.74
  4. Step 4: Simplify right side
    187,403.43x = 15,259,439,418.10
  5. Step 5: Solve for x
    x = 15,259,439,418.10/187,403.43
  6. Step 6: Final answer
    x = 81,425.61

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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.