Home / 198,807.80-274,357.46-108,164.85

Finding the Fourth Proportional to 198,807.80, 274,357.46 and 108,164.85

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Solution

The fourth proportional to 198,807.80, 274,357.46 and 108,164.85 is: 149,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,807.80 : 274,357.46 = 108,164.85 : x
  2. Step 2: Convert to fraction form
    198,807.80/274,357.46 = 108,164.85/x
  3. Step 3: Cross multiply
    198,807.80x = 274,357.46 × 108,164.85
  4. Step 4: Simplify right side
    198,807.80x = 29,675,833,507.28
  5. Step 5: Solve for x
    x = 29,675,833,507.28/198,807.80
  6. Step 6: Final answer
    x = 149,268.96

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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.