Home / 198,940.93-274,535.66-108,297.65

Finding the Fourth Proportional to 198,940.93, 274,535.66 and 108,297.65

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Solution

The fourth proportional to 198,940.93, 274,535.66 and 108,297.65 is: 149,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,940.93 : 274,535.66 = 108,297.65 : x
  2. Step 2: Convert to fraction form
    198,940.93/274,535.66 = 108,297.65/x
  3. Step 3: Cross multiply
    198,940.93x = 274,535.66 × 108,297.65
  4. Step 4: Simplify right side
    198,940.93x = 29,731,567,776.28
  5. Step 5: Solve for x
    x = 29,731,567,776.28/198,940.93
  6. Step 6: Final answer
    x = 149,449.23

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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.