Home / 198,037.25-273,283.80-107,391.56

Finding the Fourth Proportional to 198,037.25, 273,283.80 and 107,391.56

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Solution

The fourth proportional to 198,037.25, 273,283.80 and 107,391.56 is: 148,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,037.25 : 273,283.80 = 107,391.56 : x
  2. Step 2: Convert to fraction form
    198,037.25/273,283.80 = 107,391.56/x
  3. Step 3: Cross multiply
    198,037.25x = 273,283.80 × 107,391.56
  4. Step 4: Simplify right side
    198,037.25x = 29,348,373,604.73
  5. Step 5: Solve for x
    x = 29,348,373,604.73/198,037.25
  6. Step 6: Final answer
    x = 148,196.23

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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.