Home / 129,273.28-193,912.32-40,524.80

Finding the Fourth Proportional to 129,273.28, 193,912.32 and 40,524.80

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Solution

The fourth proportional to 129,273.28, 193,912.32 and 40,524.80 is: 60,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,273.28 : 193,912.32 = 40,524.80 : x
  2. Step 2: Convert to fraction form
    129,273.28/193,912.32 = 40,524.80/x
  3. Step 3: Cross multiply
    129,273.28x = 193,912.32 × 40,524.80
  4. Step 4: Simplify right side
    129,273.28x = 7,858,257,985.54
  5. Step 5: Solve for x
    x = 7,858,257,985.54/129,273.28
  6. Step 6: Final answer
    x = 60,787.95

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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.