Home / 168,032.20-252,048.30-108,934.60

Finding the Fourth Proportional to 168,032.20, 252,048.30 and 108,934.60

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Solution

The fourth proportional to 168,032.20, 252,048.30 and 108,934.60 is: 163,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,032.20 : 252,048.30 = 108,934.60 : x
  2. Step 2: Convert to fraction form
    168,032.20/252,048.30 = 108,934.60/x
  3. Step 3: Cross multiply
    168,032.20x = 252,048.30 × 108,934.60
  4. Step 4: Simplify right side
    168,032.20x = 27,456,780,741.18
  5. Step 5: Solve for x
    x = 27,456,780,741.18/168,032.20
  6. Step 6: Final answer
    x = 163,401.90

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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.