Home / 187,279.11-258,441.28-102,396.18

Finding the Fourth Proportional to 187,279.11, 258,441.28 and 102,396.18

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Solution

The fourth proportional to 187,279.11, 258,441.28 and 102,396.18 is: 141,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,279.11 : 258,441.28 = 102,396.18 : x
  2. Step 2: Convert to fraction form
    187,279.11/258,441.28 = 102,396.18/x
  3. Step 3: Cross multiply
    187,279.11x = 258,441.28 × 102,396.18
  4. Step 4: Simplify right side
    187,279.11x = 26,463,398,934.85
  5. Step 5: Solve for x
    x = 26,463,398,934.85/187,279.11
  6. Step 6: Final answer
    x = 141,304.59

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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.