Home / 151,839.63-227,897.57-80,821.97

Finding the Fourth Proportional to 151,839.63, 227,897.57 and 80,821.97

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Solution

The fourth proportional to 151,839.63, 227,897.57 and 80,821.97 is: 121,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,839.63 : 227,897.57 = 80,821.97 : x
  2. Step 2: Convert to fraction form
    151,839.63/227,897.57 = 80,821.97/x
  3. Step 3: Cross multiply
    151,839.63x = 227,897.57 × 80,821.97
  4. Step 4: Simplify right side
    151,839.63x = 18,419,130,565.61
  5. Step 5: Solve for x
    x = 18,419,130,565.61/151,839.63
  6. Step 6: Final answer
    x = 121,306.48

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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.