Home / 96,127.20-143,850.60-83,782.80

Finding the Fourth Proportional to 96,127.20, 143,850.60 and 83,782.80

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Solution

The fourth proportional to 96,127.20, 143,850.60 and 83,782.80 is: 125,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,127.20 : 143,850.60 = 83,782.80 : x
  2. Step 2: Convert to fraction form
    96,127.20/143,850.60 = 83,782.80/x
  3. Step 3: Cross multiply
    96,127.20x = 143,850.60 × 83,782.80
  4. Step 4: Simplify right side
    96,127.20x = 12,052,206,049.68
  5. Step 5: Solve for x
    x = 12,052,206,049.68/96,127.20
  6. Step 6: Final answer
    x = 125,377.69

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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.