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Finding the Fourth Proportional to 125,523.36, 173,149.92 and 75,193.20

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Solution

The fourth proportional to 125,523.36, 173,149.92 and 75,193.20 is: 103,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,523.36 : 173,149.92 = 75,193.20 : x
  2. Step 2: Convert to fraction form
    125,523.36/173,149.92 = 75,193.20/x
  3. Step 3: Cross multiply
    125,523.36x = 173,149.92 × 75,193.20
  4. Step 4: Simplify right side
    125,523.36x = 13,019,696,564.54
  5. Step 5: Solve for x
    x = 13,019,696,564.54/125,523.36
  6. Step 6: Final answer
    x = 103,723.30

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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.