Home / 127,375.29-175,957.79-102,049.83

Finding the Fourth Proportional to 127,375.29, 175,957.79 and 102,049.83

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Solution

The fourth proportional to 127,375.29, 175,957.79 and 102,049.83 is: 140,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,375.29 : 175,957.79 = 102,049.83 : x
  2. Step 2: Convert to fraction form
    127,375.29/175,957.79 = 102,049.83/x
  3. Step 3: Cross multiply
    127,375.29x = 175,957.79 × 102,049.83
  4. Step 4: Simplify right side
    127,375.29x = 17,956,462,556.68
  5. Step 5: Solve for x
    x = 17,956,462,556.68/127,375.29
  6. Step 6: Final answer
    x = 140,972.89

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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.