Home / 198,830.68-274,387.48-108,187.26

Finding the Fourth Proportional to 198,830.68, 274,387.48 and 108,187.26

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Solution

The fourth proportional to 198,830.68, 274,387.48 and 108,187.26 is: 149,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,830.68 : 274,387.48 = 108,187.26 : x
  2. Step 2: Convert to fraction form
    198,830.68/274,387.48 = 108,187.26/x
  3. Step 3: Cross multiply
    198,830.68x = 274,387.48 × 108,187.26
  4. Step 4: Simplify right side
    198,830.68x = 29,685,229,639.50
  5. Step 5: Solve for x
    x = 29,685,229,639.50/198,830.68
  6. Step 6: Final answer
    x = 149,299.04

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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.