Home / 198,104.32-273,080.62-121,481.33

Finding the Fourth Proportional to 198,104.32, 273,080.62 and 121,481.33

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Solution

The fourth proportional to 198,104.32, 273,080.62 and 121,481.33 is: 167,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,104.32 : 273,080.62 = 121,481.33 : x
  2. Step 2: Convert to fraction form
    198,104.32/273,080.62 = 121,481.33/x
  3. Step 3: Cross multiply
    198,104.32x = 273,080.62 × 121,481.33
  4. Step 4: Simplify right side
    198,104.32x = 33,174,195,245.72
  5. Step 5: Solve for x
    x = 33,174,195,245.72/198,104.32
  6. Step 6: Final answer
    x = 167,458.21

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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.