Home / 188,439.92-260,046.24-107,867

Finding the Fourth Proportional to 188,439.92, 260,046.24 and 107,867

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Solution

The fourth proportional to 188,439.92, 260,046.24 and 107,867 is: 148,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439.92 : 260,046.24 = 107,867 : x
  2. Step 2: Convert to fraction form
    188,439.92/260,046.24 = 107,867/x
  3. Step 3: Cross multiply
    188,439.92x = 260,046.24 × 107,867
  4. Step 4: Simplify right side
    188,439.92x = 28,050,407,770.08
  5. Step 5: Solve for x
    x = 28,050,407,770.08/188,439.92
  6. Step 6: Final answer
    x = 148,855.97

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1.5x scale

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.