Home / 124,355.13-171,610.10-67,766.50

Finding the Fourth Proportional to 124,355.13, 171,610.10 and 67,766.50

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Solution

The fourth proportional to 124,355.13, 171,610.10 and 67,766.50 is: 93,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,355.13 : 171,610.10 = 67,766.50 : x
  2. Step 2: Convert to fraction form
    124,355.13/171,610.10 = 67,766.50/x
  3. Step 3: Cross multiply
    124,355.13x = 171,610.10 × 67,766.50
  4. Step 4: Simplify right side
    124,355.13x = 11,629,415,502.82
  5. Step 5: Solve for x
    x = 11,629,415,502.82/124,355.13
  6. Step 6: Final answer
    x = 93,517.78

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Why These Related Problems?

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