Home / 168,423.20-252,327.60-137,088.80

Finding the Fourth Proportional to 168,423.20, 252,327.60 and 137,088.80

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Solution

The fourth proportional to 168,423.20, 252,327.60 and 137,088.80 is: 205,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,423.20 : 252,327.60 = 137,088.80 : x
  2. Step 2: Convert to fraction form
    168,423.20/252,327.60 = 137,088.80/x
  3. Step 3: Cross multiply
    168,423.20x = 252,327.60 × 137,088.80
  4. Step 4: Simplify right side
    168,423.20x = 34,591,287,890.88
  5. Step 5: Solve for x
    x = 34,591,287,890.88/168,423.20
  6. Step 6: Final answer
    x = 205,383.15

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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.