Home / 129,231.80-193,715.46-44,922.78

Finding the Fourth Proportional to 129,231.80, 193,715.46 and 44,922.78

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Solution

The fourth proportional to 129,231.80, 193,715.46 and 44,922.78 is: 67,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,231.80 : 193,715.46 = 44,922.78 : x
  2. Step 2: Convert to fraction form
    129,231.80/193,715.46 = 44,922.78/x
  3. Step 3: Cross multiply
    129,231.80x = 193,715.46 × 44,922.78
  4. Step 4: Simplify right side
    129,231.80x = 8,702,236,992.18
  5. Step 5: Solve for x
    x = 8,702,236,992.18/129,231.80
  6. Step 6: Final answer
    x = 67,338.20

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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.