Home / 198,922.68-298,466.10-80,563.86

Finding the Fourth Proportional to 198,922.68, 298,466.10 and 80,563.86

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Solution

The fourth proportional to 198,922.68, 298,466.10 and 80,563.86 is: 120,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,922.68 : 298,466.10 = 80,563.86 : x
  2. Step 2: Convert to fraction form
    198,922.68/298,466.10 = 80,563.86/x
  3. Step 3: Cross multiply
    198,922.68x = 298,466.10 × 80,563.86
  4. Step 4: Simplify right side
    198,922.68x = 24,045,581,095.15
  5. Step 5: Solve for x
    x = 24,045,581,095.15/198,922.68
  6. Step 6: Final answer
    x = 120,879.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.