Home / 198,205.17-273,523.31-107,561.13

Finding the Fourth Proportional to 198,205.17, 273,523.31 and 107,561.13

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Solution

The fourth proportional to 198,205.17, 273,523.31 and 107,561.13 is: 148,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,205.17 : 273,523.31 = 107,561.13 : x
  2. Step 2: Convert to fraction form
    198,205.17/273,523.31 = 107,561.13/x
  3. Step 3: Cross multiply
    198,205.17x = 273,523.31 × 107,561.13
  4. Step 4: Simplify right side
    198,205.17x = 29,420,476,304.94
  5. Step 5: Solve for x
    x = 29,420,476,304.94/198,205.17
  6. Step 6: Final answer
    x = 148,434.45

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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.