Home / 198,268.80-273,611.12-107,624.72

Finding the Fourth Proportional to 198,268.80, 273,611.12 and 107,624.72

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Solution

The fourth proportional to 198,268.80, 273,611.12 and 107,624.72 is: 148,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,268.80 : 273,611.12 = 107,624.72 : x
  2. Step 2: Convert to fraction form
    198,268.80/273,611.12 = 107,624.72/x
  3. Step 3: Cross multiply
    198,268.80x = 273,611.12 × 107,624.72
  4. Step 4: Simplify right side
    198,268.80x = 29,447,320,178.89
  5. Step 5: Solve for x
    x = 29,447,320,178.89/198,268.80
  6. Step 6: Final answer
    x = 148,522.21

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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.