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Finding the Fourth Proportional to 169,524.50, 254,334.87 and 138,230.55

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Solution

The fourth proportional to 169,524.50, 254,334.87 and 138,230.55 is: 207,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,524.50 : 254,334.87 = 138,230.55 : x
  2. Step 2: Convert to fraction form
    169,524.50/254,334.87 = 138,230.55/x
  3. Step 3: Cross multiply
    169,524.50x = 254,334.87 × 138,230.55
  4. Step 4: Simplify right side
    169,524.50x = 35,156,848,964.28
  5. Step 5: Solve for x
    x = 35,156,848,964.28/169,524.50
  6. Step 6: Final answer
    x = 207,385.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.