Home / 151,717.48-227,178.78-120,198.76

Finding the Fourth Proportional to 151,717.48, 227,178.78 and 120,198.76

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Solution

The fourth proportional to 151,717.48, 227,178.78 and 120,198.76 is: 179,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,717.48 : 227,178.78 = 120,198.76 : x
  2. Step 2: Convert to fraction form
    151,717.48/227,178.78 = 120,198.76/x
  3. Step 3: Cross multiply
    151,717.48x = 227,178.78 × 120,198.76
  4. Step 4: Simplify right side
    151,717.48x = 27,306,607,654.31
  5. Step 5: Solve for x
    x = 27,306,607,654.31/151,717.48
  6. Step 6: Final answer
    x = 179,983.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.