Home / 187,449.39-258,680.13-102,566.43

Finding the Fourth Proportional to 187,449.39, 258,680.13 and 102,566.43

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Solution

The fourth proportional to 187,449.39, 258,680.13 and 102,566.43 is: 141,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,449.39 : 258,680.13 = 102,566.43 : x
  2. Step 2: Convert to fraction form
    187,449.39/258,680.13 = 102,566.43/x
  3. Step 3: Cross multiply
    187,449.39x = 258,680.13 × 102,566.43
  4. Step 4: Simplify right side
    187,449.39x = 26,531,897,446.04
  5. Step 5: Solve for x
    x = 26,531,897,446.04/187,449.39
  6. Step 6: Final answer
    x = 141,541.66

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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.