Home / 123,331.53-185,020.62-39,112.92

Finding the Fourth Proportional to 123,331.53, 185,020.62 and 39,112.92

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Solution

The fourth proportional to 123,331.53, 185,020.62 and 39,112.92 is: 58,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,331.53 : 185,020.62 = 39,112.92 : x
  2. Step 2: Convert to fraction form
    123,331.53/185,020.62 = 39,112.92/x
  3. Step 3: Cross multiply
    123,331.53x = 185,020.62 × 39,112.92
  4. Step 4: Simplify right side
    123,331.53x = 7,236,696,708.41
  5. Step 5: Solve for x
    x = 7,236,696,708.41/123,331.53
  6. Step 6: Final answer
    x = 58,676.78

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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.