Home / 199,017.50-274,640.22-108,374.58

Finding the Fourth Proportional to 199,017.50, 274,640.22 and 108,374.58

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Solution

The fourth proportional to 199,017.50, 274,640.22 and 108,374.58 is: 149,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,017.50 : 274,640.22 = 108,374.58 : x
  2. Step 2: Convert to fraction form
    199,017.50/274,640.22 = 108,374.58/x
  3. Step 3: Cross multiply
    199,017.50x = 274,640.22 × 108,374.58
  4. Step 4: Simplify right side
    199,017.50x = 29,764,018,493.61
  5. Step 5: Solve for x
    x = 29,764,018,493.61/199,017.50
  6. Step 6: Final answer
    x = 149,554.78

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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.