Home / 125,414.26-173,064.78-68,821.18

Finding the Fourth Proportional to 125,414.26, 173,064.78 and 68,821.18

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Solution

The fourth proportional to 125,414.26, 173,064.78 and 68,821.18 is: 94,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,414.26 : 173,064.78 = 68,821.18 : x
  2. Step 2: Convert to fraction form
    125,414.26/173,064.78 = 68,821.18/x
  3. Step 3: Cross multiply
    125,414.26x = 173,064.78 × 68,821.18
  4. Step 4: Simplify right side
    125,414.26x = 11,910,522,376.04
  5. Step 5: Solve for x
    x = 11,910,522,376.04/125,414.26
  6. Step 6: Final answer
    x = 94,969.44

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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.