Home / 168,287.11-252,220.46-108,155.54

Finding the Fourth Proportional to 168,287.11, 252,220.46 and 108,155.54

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Solution

The fourth proportional to 168,287.11, 252,220.46 and 108,155.54 is: 162,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,287.11 : 252,220.46 = 108,155.54 : x
  2. Step 2: Convert to fraction form
    168,287.11/252,220.46 = 108,155.54/x
  3. Step 3: Cross multiply
    168,287.11x = 252,220.46 × 108,155.54
  4. Step 4: Simplify right side
    168,287.11x = 27,279,040,140.12
  5. Step 5: Solve for x
    x = 27,279,040,140.12/168,287.11
  6. Step 6: Final answer
    x = 162,098.22

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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.