Home / 198,883.96-274,460.26-108,239.80

Finding the Fourth Proportional to 198,883.96, 274,460.26 and 108,239.80

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Solution

The fourth proportional to 198,883.96, 274,460.26 and 108,239.80 is: 149,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,883.96 : 274,460.26 = 108,239.80 : x
  2. Step 2: Convert to fraction form
    198,883.96/274,460.26 = 108,239.80/x
  3. Step 3: Cross multiply
    198,883.96x = 274,460.26 × 108,239.80
  4. Step 4: Simplify right side
    198,883.96x = 29,707,523,650.35
  5. Step 5: Solve for x
    x = 29,707,523,650.35/198,883.96
  6. Step 6: Final answer
    x = 149,371.14

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1.5x scale

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.