Home / 198,198.06-273,511.94-107,551.72

Finding the Fourth Proportional to 198,198.06, 273,511.94 and 107,551.72

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Solution

The fourth proportional to 198,198.06, 273,511.94 and 107,551.72 is: 148,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,198.06 : 273,511.94 = 107,551.72 : x
  2. Step 2: Convert to fraction form
    198,198.06/273,511.94 = 107,551.72/x
  3. Step 3: Cross multiply
    198,198.06x = 273,511.94 × 107,551.72
  4. Step 4: Simplify right side
    198,198.06x = 29,416,679,587.54
  5. Step 5: Solve for x
    x = 29,416,679,587.54/198,198.06
  6. Step 6: Final answer
    x = 148,420.62

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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.