Home / 198,809.22-298,400.66-104,107.37

Finding the Fourth Proportional to 198,809.22, 298,400.66 and 104,107.37

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Solution

The fourth proportional to 198,809.22, 298,400.66 and 104,107.37 is: 156,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,809.22 : 298,400.66 = 104,107.37 : x
  2. Step 2: Convert to fraction form
    198,809.22/298,400.66 = 104,107.37/x
  3. Step 3: Cross multiply
    198,809.22x = 298,400.66 × 104,107.37
  4. Step 4: Simplify right side
    198,809.22x = 31,065,706,687.13
  5. Step 5: Solve for x
    x = 31,065,706,687.13/198,809.22
  6. Step 6: Final answer
    x = 156,258.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.