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Finding the Fourth Proportional to 125,550, 173,259 and 68,965.02

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Solution

The fourth proportional to 125,550, 173,259 and 68,965.02 is: 95,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,550 : 173,259 = 68,965.02 : x
  2. Step 2: Convert to fraction form
    125,550/173,259 = 68,965.02/x
  3. Step 3: Cross multiply
    125,550x = 173,259 × 68,965.02
  4. Step 4: Simplify right side
    125,550x = 11,948,810,400.18
  5. Step 5: Solve for x
    x = 11,948,810,400.18/125,550
  6. Step 6: Final answer
    x = 95,171.73

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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.