Home / 187,470.18-258,708.87-102,587.25

Finding the Fourth Proportional to 187,470.18, 258,708.87 and 102,587.25

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Solution

The fourth proportional to 187,470.18, 258,708.87 and 102,587.25 is: 141,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470.18 : 258,708.87 = 102,587.25 : x
  2. Step 2: Convert to fraction form
    187,470.18/258,708.87 = 102,587.25/x
  3. Step 3: Cross multiply
    187,470.18x = 258,708.87 × 102,587.25
  4. Step 4: Simplify right side
    187,470.18x = 26,540,231,523.91
  5. Step 5: Solve for x
    x = 26,540,231,523.91/187,470.18
  6. Step 6: Final answer
    x = 141,570.42

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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.