Home / 80,600.30-120,993.86-43,233.36

Finding the Fourth Proportional to 80,600.30, 120,993.86 and 43,233.36

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Solution

The fourth proportional to 80,600.30, 120,993.86 and 43,233.36 is: 64,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,600.30 : 120,993.86 = 43,233.36 : x
  2. Step 2: Convert to fraction form
    80,600.30/120,993.86 = 43,233.36/x
  3. Step 3: Cross multiply
    80,600.30x = 120,993.86 × 43,233.36
  4. Step 4: Simplify right side
    80,600.30x = 5,230,970,891.00
  5. Step 5: Solve for x
    x = 5,230,970,891.00/80,600.30
  6. Step 6: Final answer
    x = 64,900.14

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1.5x scale

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.