Home / 187,391.28-258,599.88-102,508.32

Finding the Fourth Proportional to 187,391.28, 258,599.88 and 102,508.32

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Solution

The fourth proportional to 187,391.28, 258,599.88 and 102,508.32 is: 141,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,391.28 : 258,599.88 = 102,508.32 : x
  2. Step 2: Convert to fraction form
    187,391.28/258,599.88 = 102,508.32/x
  3. Step 3: Cross multiply
    187,391.28x = 258,599.88 × 102,508.32
  4. Step 4: Simplify right side
    187,391.28x = 26,508,639,251.00
  5. Step 5: Solve for x
    x = 26,508,639,251.00/187,391.28
  6. Step 6: Final answer
    x = 141,461.43

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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.