Home / 123,642.40-185,464-44,724.92

Finding the Fourth Proportional to 123,642.40, 185,464 and 44,724.92

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Solution

The fourth proportional to 123,642.40, 185,464 and 44,724.92 is: 67,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,642.40 : 185,464 = 44,724.92 : x
  2. Step 2: Convert to fraction form
    123,642.40/185,464 = 44,724.92/x
  3. Step 3: Cross multiply
    123,642.40x = 185,464 × 44,724.92
  4. Step 4: Simplify right side
    123,642.40x = 8,294,862,562.88
  5. Step 5: Solve for x
    x = 8,294,862,562.88/123,642.40
  6. Step 6: Final answer
    x = 67,087.52

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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.