Home / 168,424.20-252,329.10-137,089.80

Finding the Fourth Proportional to 168,424.20, 252,329.10 and 137,089.80

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Solution

The fourth proportional to 168,424.20, 252,329.10 and 137,089.80 is: 205,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,424.20 : 252,329.10 = 137,089.80 : x
  2. Step 2: Convert to fraction form
    168,424.20/252,329.10 = 137,089.80/x
  3. Step 3: Cross multiply
    168,424.20x = 252,329.10 × 137,089.80
  4. Step 4: Simplify right side
    168,424.20x = 34,591,745,853.18
  5. Step 5: Solve for x
    x = 34,591,745,853.18/168,424.20
  6. Step 6: Final answer
    x = 205,384.65

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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.