Home / 124,205.20-171,403.13-67,616.56

Finding the Fourth Proportional to 124,205.20, 171,403.13 and 67,616.56

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Solution

The fourth proportional to 124,205.20, 171,403.13 and 67,616.56 is: 93,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,205.20 : 171,403.13 = 67,616.56 : x
  2. Step 2: Convert to fraction form
    124,205.20/171,403.13 = 67,616.56/x
  3. Step 3: Cross multiply
    124,205.20x = 171,403.13 × 67,616.56
  4. Step 4: Simplify right side
    124,205.20x = 11,589,690,023.83
  5. Step 5: Solve for x
    x = 11,589,690,023.83/124,205.20
  6. Step 6: Final answer
    x = 93,310.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.