Home / 168,217.10-252,101.48-79,494.16

Finding the Fourth Proportional to 168,217.10, 252,101.48 and 79,494.16

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Solution

The fourth proportional to 168,217.10, 252,101.48 and 79,494.16 is: 119,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,217.10 : 252,101.48 = 79,494.16 : x
  2. Step 2: Convert to fraction form
    168,217.10/252,101.48 = 79,494.16/x
  3. Step 3: Cross multiply
    168,217.10x = 252,101.48 × 79,494.16
  4. Step 4: Simplify right side
    168,217.10x = 20,040,595,387.36
  5. Step 5: Solve for x
    x = 20,040,595,387.36/168,217.10
  6. Step 6: Final answer
    x = 119,135.30

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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.