Home / 198,926.72-274,522.38-108,285.29

Finding the Fourth Proportional to 198,926.72, 274,522.38 and 108,285.29

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Solution

The fourth proportional to 198,926.72, 274,522.38 and 108,285.29 is: 149,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,926.72 : 274,522.38 = 108,285.29 : x
  2. Step 2: Convert to fraction form
    198,926.72/274,522.38 = 108,285.29/x
  3. Step 3: Cross multiply
    198,926.72x = 274,522.38 × 108,285.29
  4. Step 4: Simplify right side
    198,926.72x = 29,726,736,216.10
  5. Step 5: Solve for x
    x = 29,726,736,216.10/198,926.72
  6. Step 6: Final answer
    x = 149,435.61

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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.