Home / 198,848.88-274,403.16-109,419.12

Finding the Fourth Proportional to 198,848.88, 274,403.16 and 109,419.12

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Solution

The fourth proportional to 198,848.88, 274,403.16 and 109,419.12 is: 150,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.88 : 274,403.16 = 109,419.12 : x
  2. Step 2: Convert to fraction form
    198,848.88/274,403.16 = 109,419.12/x
  3. Step 3: Cross multiply
    198,848.88x = 274,403.16 × 109,419.12
  4. Step 4: Simplify right side
    198,848.88x = 30,024,952,292.42
  5. Step 5: Solve for x
    x = 30,024,952,292.42/198,848.88
  6. Step 6: Final answer
    x = 150,993.82

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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.