Home / 198,265.75-273,599.32-107,619.76

Finding the Fourth Proportional to 198,265.75, 273,599.32 and 107,619.76

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Solution

The fourth proportional to 198,265.75, 273,599.32 and 107,619.76 is: 148,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,265.75 : 273,599.32 = 107,619.76 : x
  2. Step 2: Convert to fraction form
    198,265.75/273,599.32 = 107,619.76/x
  3. Step 3: Cross multiply
    198,265.75x = 273,599.32 × 107,619.76
  4. Step 4: Simplify right side
    198,265.75x = 29,444,694,198.80
  5. Step 5: Solve for x
    x = 29,444,694,198.80/198,265.75
  6. Step 6: Final answer
    x = 148,511.25

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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.