Home / 198,278.82-273,626.74-107,635.50

Finding the Fourth Proportional to 198,278.82, 273,626.74 and 107,635.50

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Solution

The fourth proportional to 198,278.82, 273,626.74 and 107,635.50 is: 148,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,278.82 : 273,626.74 = 107,635.50 : x
  2. Step 2: Convert to fraction form
    198,278.82/273,626.74 = 107,635.50/x
  3. Step 3: Cross multiply
    198,278.82x = 273,626.74 × 107,635.50
  4. Step 4: Simplify right side
    198,278.82x = 29,451,950,973.27
  5. Step 5: Solve for x
    x = 29,451,950,973.27/198,278.82
  6. Step 6: Final answer
    x = 148,538.06

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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.