Home / 168,426.20-252,332.10-137,091.80

Finding the Fourth Proportional to 168,426.20, 252,332.10 and 137,091.80

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Solution

The fourth proportional to 168,426.20, 252,332.10 and 137,091.80 is: 205,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,426.20 : 252,332.10 = 137,091.80 : x
  2. Step 2: Convert to fraction form
    168,426.20/252,332.10 = 137,091.80/x
  3. Step 3: Cross multiply
    168,426.20x = 252,332.10 × 137,091.80
  4. Step 4: Simplify right side
    168,426.20x = 34,592,661,786.78
  5. Step 5: Solve for x
    x = 34,592,661,786.78/168,426.20
  6. Step 6: Final answer
    x = 205,387.65

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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.