Home / 187,403.97-281,104.12-54,283.11

Finding the Fourth Proportional to 187,403.97, 281,104.12 and 54,283.11

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Solution

The fourth proportional to 187,403.97, 281,104.12 and 54,283.11 is: 81,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,403.97 : 281,104.12 = 54,283.11 : x
  2. Step 2: Convert to fraction form
    187,403.97/281,104.12 = 54,283.11/x
  3. Step 3: Cross multiply
    187,403.97x = 281,104.12 × 54,283.11
  4. Step 4: Simplify right side
    187,403.97x = 15,259,205,867.41
  5. Step 5: Solve for x
    x = 15,259,205,867.41/187,403.97
  6. Step 6: Final answer
    x = 81,424.13

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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.