Home / 158,034.12-218,087.30-86,414.44

Finding the Fourth Proportional to 158,034.12, 218,087.30 and 86,414.44

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Solution

The fourth proportional to 158,034.12, 218,087.30 and 86,414.44 is: 119,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,034.12 : 218,087.30 = 86,414.44 : x
  2. Step 2: Convert to fraction form
    158,034.12/218,087.30 = 86,414.44/x
  3. Step 3: Cross multiply
    158,034.12x = 218,087.30 × 86,414.44
  4. Step 4: Simplify right side
    158,034.12x = 18,845,891,900.61
  5. Step 5: Solve for x
    x = 18,845,891,900.61/158,034.12
  6. Step 6: Final answer
    x = 119,252.04

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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.