Home / 188,902.32-260,696.12-108,329.20

Finding the Fourth Proportional to 188,902.32, 260,696.12 and 108,329.20

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Solution

The fourth proportional to 188,902.32, 260,696.12 and 108,329.20 is: 149,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,902.32 : 260,696.12 = 108,329.20 : x
  2. Step 2: Convert to fraction form
    188,902.32/260,696.12 = 108,329.20/x
  3. Step 3: Cross multiply
    188,902.32x = 260,696.12 × 108,329.20
  4. Step 4: Simplify right side
    188,902.32x = 28,241,002,122.70
  5. Step 5: Solve for x
    x = 28,241,002,122.70/188,902.32
  6. Step 6: Final answer
    x = 149,500.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.