Home / 188,939.32-260,747.22-108,366.28

Finding the Fourth Proportional to 188,939.32, 260,747.22 and 108,366.28

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Solution

The fourth proportional to 188,939.32, 260,747.22 and 108,366.28 is: 149,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,939.32 : 260,747.22 = 108,366.28 : x
  2. Step 2: Convert to fraction form
    188,939.32/260,747.22 = 108,366.28/x
  3. Step 3: Cross multiply
    188,939.32x = 260,747.22 × 108,366.28
  4. Step 4: Simplify right side
    188,939.32x = 28,256,206,251.74
  5. Step 5: Solve for x
    x = 28,256,206,251.74/188,939.32
  6. Step 6: Final answer
    x = 149,551.75

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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.