Home / 179,122.92-268,021.62-108,086.76

Finding the Fourth Proportional to 179,122.92, 268,021.62 and 108,086.76

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Solution

The fourth proportional to 179,122.92, 268,021.62 and 108,086.76 is: 161,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,122.92 : 268,021.62 = 108,086.76 : x
  2. Step 2: Convert to fraction form
    179,122.92/268,021.62 = 108,086.76/x
  3. Step 3: Cross multiply
    179,122.92x = 268,021.62 × 108,086.76
  4. Step 4: Simplify right side
    179,122.92x = 28,969,588,515.75
  5. Step 5: Solve for x
    x = 28,969,588,515.75/179,122.92
  6. Step 6: Final answer
    x = 161,730.22

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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.