Home / 170,824.20-256,236.30-108,769.80

Finding the Fourth Proportional to 170,824.20, 256,236.30 and 108,769.80

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Solution

The fourth proportional to 170,824.20, 256,236.30 and 108,769.80 is: 163,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,824.20 : 256,236.30 = 108,769.80 : x
  2. Step 2: Convert to fraction form
    170,824.20/256,236.30 = 108,769.80/x
  3. Step 3: Cross multiply
    170,824.20x = 256,236.30 × 108,769.80
  4. Step 4: Simplify right side
    170,824.20x = 27,870,771,103.74
  5. Step 5: Solve for x
    x = 27,870,771,103.74/170,824.20
  6. Step 6: Final answer
    x = 163,154.70

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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.