Home / 123,839.60-185,754.36-57,257.84

Finding the Fourth Proportional to 123,839.60, 185,754.36 and 57,257.84

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Solution

The fourth proportional to 123,839.60, 185,754.36 and 57,257.84 is: 85,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,839.60 : 185,754.36 = 57,257.84 : x
  2. Step 2: Convert to fraction form
    123,839.60/185,754.36 = 57,257.84/x
  3. Step 3: Cross multiply
    123,839.60x = 185,754.36 × 57,257.84
  4. Step 4: Simplify right side
    123,839.60x = 10,635,893,424.18
  5. Step 5: Solve for x
    x = 10,635,893,424.18/123,839.60
  6. Step 6: Final answer
    x = 85,884.43

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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.