Home / 198,450.96-273,861.20-107,806.20

Finding the Fourth Proportional to 198,450.96, 273,861.20 and 107,806.20

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Solution

The fourth proportional to 198,450.96, 273,861.20 and 107,806.20 is: 148,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,450.96 : 273,861.20 = 107,806.20 : x
  2. Step 2: Convert to fraction form
    198,450.96/273,861.20 = 107,806.20/x
  3. Step 3: Cross multiply
    198,450.96x = 273,861.20 × 107,806.20
  4. Step 4: Simplify right side
    198,450.96x = 29,523,935,299.44
  5. Step 5: Solve for x
    x = 29,523,935,299.44/198,450.96
  6. Step 6: Final answer
    x = 148,771.94

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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.