Home / 188,639.33-260,359.26-108,120.83

Finding the Fourth Proportional to 188,639.33, 260,359.26 and 108,120.83

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Solution

The fourth proportional to 188,639.33, 260,359.26 and 108,120.83 is: 149,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,639.33 : 260,359.26 = 108,120.83 : x
  2. Step 2: Convert to fraction form
    188,639.33/260,359.26 = 108,120.83/x
  3. Step 3: Cross multiply
    188,639.33x = 260,359.26 × 108,120.83
  4. Step 4: Simplify right side
    188,639.33x = 28,150,258,190.32
  5. Step 5: Solve for x
    x = 28,150,258,190.32/188,639.33
  6. Step 6: Final answer
    x = 149,227.94

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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.