Home / 198,943.25-274,544.01-108,300.80

Finding the Fourth Proportional to 198,943.25, 274,544.01 and 108,300.80

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Solution

The fourth proportional to 198,943.25, 274,544.01 and 108,300.80 is: 149,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,943.25 : 274,544.01 = 108,300.80 : x
  2. Step 2: Convert to fraction form
    198,943.25/274,544.01 = 108,300.80/x
  3. Step 3: Cross multiply
    198,943.25x = 274,544.01 × 108,300.80
  4. Step 4: Simplify right side
    198,943.25x = 29,733,335,918.21
  5. Step 5: Solve for x
    x = 29,733,335,918.21/198,943.25
  6. Step 6: Final answer
    x = 149,456.37

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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.