Home / 125,517.18-173,214-68,932.20

Finding the Fourth Proportional to 125,517.18, 173,214 and 68,932.20

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Solution

The fourth proportional to 125,517.18, 173,214 and 68,932.20 is: 95,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,517.18 : 173,214 = 68,932.20 : x
  2. Step 2: Convert to fraction form
    125,517.18/173,214 = 68,932.20/x
  3. Step 3: Cross multiply
    125,517.18x = 173,214 × 68,932.20
  4. Step 4: Simplify right side
    125,517.18x = 11,940,022,090.80
  5. Step 5: Solve for x
    x = 11,940,022,090.80/125,517.18
  6. Step 6: Final answer
    x = 95,126.60

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1.5x scale

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.