Home / 187,645.41-258,972.39-107,084.53

Finding the Fourth Proportional to 187,645.41, 258,972.39 and 107,084.53

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Solution

The fourth proportional to 187,645.41, 258,972.39 and 107,084.53 is: 147,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,645.41 : 258,972.39 = 107,084.53 : x
  2. Step 2: Convert to fraction form
    187,645.41/258,972.39 = 107,084.53/x
  3. Step 3: Cross multiply
    187,645.41x = 258,972.39 × 107,084.53
  4. Step 4: Simplify right side
    187,645.41x = 27,731,936,989.84
  5. Step 5: Solve for x
    x = 27,731,936,989.84/187,645.41
  6. Step 6: Final answer
    x = 147,789.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.