Home / 198,269.73-273,617.07-107,625.45

Finding the Fourth Proportional to 198,269.73, 273,617.07 and 107,625.45

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Solution

The fourth proportional to 198,269.73, 273,617.07 and 107,625.45 is: 148,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,269.73 : 273,617.07 = 107,625.45 : x
  2. Step 2: Convert to fraction form
    198,269.73/273,617.07 = 107,625.45/x
  3. Step 3: Cross multiply
    198,269.73x = 273,617.07 × 107,625.45
  4. Step 4: Simplify right side
    198,269.73x = 29,448,160,286.43
  5. Step 5: Solve for x
    x = 29,448,160,286.43/198,269.73
  6. Step 6: Final answer
    x = 148,525.75

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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.