Home / 187,517.68-258,780.60-102,634.72

Finding the Fourth Proportional to 187,517.68, 258,780.60 and 102,634.72

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Solution

The fourth proportional to 187,517.68, 258,780.60 and 102,634.72 is: 141,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,517.68 : 258,780.60 = 102,634.72 : x
  2. Step 2: Convert to fraction form
    187,517.68/258,780.60 = 102,634.72/x
  3. Step 3: Cross multiply
    187,517.68x = 258,780.60 × 102,634.72
  4. Step 4: Simplify right side
    187,517.68x = 26,559,874,422.43
  5. Step 5: Solve for x
    x = 26,559,874,422.43/187,517.68
  6. Step 6: Final answer
    x = 141,639.31

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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.