Home / 188,517.11-260,158.59-102,481.88

Finding the Fourth Proportional to 188,517.11, 260,158.59 and 102,481.88

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Solution

The fourth proportional to 188,517.11, 260,158.59 and 102,481.88 is: 141,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,517.11 : 260,158.59 = 102,481.88 : x
  2. Step 2: Convert to fraction form
    188,517.11/260,158.59 = 102,481.88/x
  3. Step 3: Cross multiply
    188,517.11x = 260,158.59 × 102,481.88
  4. Step 4: Simplify right side
    188,517.11x = 26,661,541,401.35
  5. Step 5: Solve for x
    x = 26,661,541,401.35/188,517.11
  6. Step 6: Final answer
    x = 141,427.70

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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.