Home / 107,646.27-161,321.77-68,132.85

Finding the Fourth Proportional to 107,646.27, 161,321.77 and 68,132.85

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Solution

The fourth proportional to 107,646.27, 161,321.77 and 68,132.85 is: 102,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,646.27 : 161,321.77 = 68,132.85 : x
  2. Step 2: Convert to fraction form
    107,646.27/161,321.77 = 68,132.85/x
  3. Step 3: Cross multiply
    107,646.27x = 161,321.77 × 68,132.85
  4. Step 4: Simplify right side
    107,646.27x = 10,991,311,957.14
  5. Step 5: Solve for x
    x = 10,991,311,957.14/107,646.27
  6. Step 6: Final answer
    x = 102,105.83

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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.