Home / 198,221.32-273,772.46-130,540.83

Finding the Fourth Proportional to 198,221.32, 273,772.46 and 130,540.83

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Solution

The fourth proportional to 198,221.32, 273,772.46 and 130,540.83 is: 180,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,221.32 : 273,772.46 = 130,540.83 : x
  2. Step 2: Convert to fraction form
    198,221.32/273,772.46 = 130,540.83/x
  3. Step 3: Cross multiply
    198,221.32x = 273,772.46 × 130,540.83
  4. Step 4: Simplify right side
    198,221.32x = 35,738,484,159.54
  5. Step 5: Solve for x
    x = 35,738,484,159.54/198,221.32
  6. Step 6: Final answer
    x = 180,295.86

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