Home / 144,067.22-198,824.01-80,414.56

Finding the Fourth Proportional to 144,067.22, 198,824.01 and 80,414.56

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Solution

The fourth proportional to 144,067.22, 198,824.01 and 80,414.56 is: 110,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,067.22 : 198,824.01 = 80,414.56 : x
  2. Step 2: Convert to fraction form
    144,067.22/198,824.01 = 80,414.56/x
  3. Step 3: Cross multiply
    144,067.22x = 198,824.01 × 80,414.56
  4. Step 4: Simplify right side
    144,067.22x = 15,988,345,281.59
  5. Step 5: Solve for x
    x = 15,988,345,281.59/144,067.22
  6. Step 6: Final answer
    x = 110,978.37

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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.