Home / 198,220.79-273,544.82-107,576.73

Finding the Fourth Proportional to 198,220.79, 273,544.82 and 107,576.73

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Solution

The fourth proportional to 198,220.79, 273,544.82 and 107,576.73 is: 148,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.79 : 273,544.82 = 107,576.73 : x
  2. Step 2: Convert to fraction form
    198,220.79/273,544.82 = 107,576.73/x
  3. Step 3: Cross multiply
    198,220.79x = 273,544.82 × 107,576.73
  4. Step 4: Simplify right side
    198,220.79x = 29,427,057,512.98
  5. Step 5: Solve for x
    x = 29,427,057,512.98/198,220.79
  6. Step 6: Final answer
    x = 148,455.96

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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.