Home / 204,198.37-281,748.70-122,489.31

Finding the Fourth Proportional to 204,198.37, 281,748.70 and 122,489.31

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Solution

The fourth proportional to 204,198.37, 281,748.70 and 122,489.31 is: 169,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,198.37 : 281,748.70 = 122,489.31 : x
  2. Step 2: Convert to fraction form
    204,198.37/281,748.70 = 122,489.31/x
  3. Step 3: Cross multiply
    204,198.37x = 281,748.70 × 122,489.31
  4. Step 4: Simplify right side
    204,198.37x = 34,511,205,410.57
  5. Step 5: Solve for x
    x = 34,511,205,410.57/204,198.37
  6. Step 6: Final answer
    x = 169,008.23

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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.