Home / 198,890.24-298,336.16-80,563.82

Finding the Fourth Proportional to 198,890.24, 298,336.16 and 80,563.82

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Solution

The fourth proportional to 198,890.24, 298,336.16 and 80,563.82 is: 120,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,890.24 : 298,336.16 = 80,563.82 : x
  2. Step 2: Convert to fraction form
    198,890.24/298,336.16 = 80,563.82/x
  3. Step 3: Cross multiply
    198,890.24x = 298,336.16 × 80,563.82
  4. Step 4: Simplify right side
    198,890.24x = 24,035,099,403.46
  5. Step 5: Solve for x
    x = 24,035,099,403.46/198,890.24
  6. Step 6: Final answer
    x = 120,846.05

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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.