Home / 198,999.07-274,612.27-108,354.30

Finding the Fourth Proportional to 198,999.07, 274,612.27 and 108,354.30

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Solution

The fourth proportional to 198,999.07, 274,612.27 and 108,354.30 is: 149,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,999.07 : 274,612.27 = 108,354.30 : x
  2. Step 2: Convert to fraction form
    198,999.07/274,612.27 = 108,354.30/x
  3. Step 3: Cross multiply
    198,999.07x = 274,612.27 × 108,354.30
  4. Step 4: Simplify right side
    198,999.07x = 29,755,420,287.26
  5. Step 5: Solve for x
    x = 29,755,420,287.26/198,999.07
  6. Step 6: Final answer
    x = 149,525.42

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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.