Home / 81,204.42-121,805.29-24,278.46

Finding the Fourth Proportional to 81,204.42, 121,805.29 and 24,278.46

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Solution

The fourth proportional to 81,204.42, 121,805.29 and 24,278.46 is: 36,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.42 : 121,805.29 = 24,278.46 : x
  2. Step 2: Convert to fraction form
    81,204.42/121,805.29 = 24,278.46/x
  3. Step 3: Cross multiply
    81,204.42x = 121,805.29 × 24,278.46
  4. Step 4: Simplify right side
    81,204.42x = 2,957,244,861.05
  5. Step 5: Solve for x
    x = 2,957,244,861.05/81,204.42
  6. Step 6: Final answer
    x = 36,417.29

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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.