Home / 198,419.39-273,810.87-107,773.50

Finding the Fourth Proportional to 198,419.39, 273,810.87 and 107,773.50

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Solution

The fourth proportional to 198,419.39, 273,810.87 and 107,773.50 is: 148,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,419.39 : 273,810.87 = 107,773.50 : x
  2. Step 2: Convert to fraction form
    198,419.39/273,810.87 = 107,773.50/x
  3. Step 3: Cross multiply
    198,419.39x = 273,810.87 × 107,773.50
  4. Step 4: Simplify right side
    198,419.39x = 29,509,555,797.95
  5. Step 5: Solve for x
    x = 29,509,555,797.95/198,419.39
  6. Step 6: Final answer
    x = 148,723.15

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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.