Home / 198,979.01-274,584.56-112,944.86

Finding the Fourth Proportional to 198,979.01, 274,584.56 and 112,944.86

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Solution

The fourth proportional to 198,979.01, 274,584.56 and 112,944.86 is: 155,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,979.01 : 274,584.56 = 112,944.86 : x
  2. Step 2: Convert to fraction form
    198,979.01/274,584.56 = 112,944.86/x
  3. Step 3: Cross multiply
    198,979.01x = 274,584.56 × 112,944.86
  4. Step 4: Simplify right side
    198,979.01x = 31,012,914,122.64
  5. Step 5: Solve for x
    x = 31,012,914,122.64/198,979.01
  6. Step 6: Final answer
    x = 155,860.23

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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.