Home / 198,558.60-274,012.38-107,914.56

Finding the Fourth Proportional to 198,558.60, 274,012.38 and 107,914.56

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Solution

The fourth proportional to 198,558.60, 274,012.38 and 107,914.56 is: 148,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,558.60 : 274,012.38 = 107,914.56 : x
  2. Step 2: Convert to fraction form
    198,558.60/274,012.38 = 107,914.56/x
  3. Step 3: Cross multiply
    198,558.60x = 274,012.38 × 107,914.56
  4. Step 4: Simplify right side
    198,558.60x = 29,569,925,422.25
  5. Step 5: Solve for x
    x = 29,569,925,422.25/198,558.60
  6. Step 6: Final answer
    x = 148,922.91

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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.