Home / 129,025.92-193,544.02-40,279.44

Finding the Fourth Proportional to 129,025.92, 193,544.02 and 40,279.44

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Solution

The fourth proportional to 129,025.92, 193,544.02 and 40,279.44 is: 60,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,025.92 : 193,544.02 = 40,279.44 : x
  2. Step 2: Convert to fraction form
    129,025.92/193,544.02 = 40,279.44/x
  3. Step 3: Cross multiply
    129,025.92x = 193,544.02 × 40,279.44
  4. Step 4: Simplify right side
    129,025.92x = 7,795,844,740.95
  5. Step 5: Solve for x
    x = 7,795,844,740.95/129,025.92
  6. Step 6: Final answer
    x = 60,420.76

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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.