Home / 199,181.11-298,770.85-80,851.45

Finding the Fourth Proportional to 199,181.11, 298,770.85 and 80,851.45

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Solution

The fourth proportional to 199,181.11, 298,770.85 and 80,851.45 is: 121,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,181.11 : 298,770.85 = 80,851.45 : x
  2. Step 2: Convert to fraction form
    199,181.11/298,770.85 = 80,851.45/x
  3. Step 3: Cross multiply
    199,181.11x = 298,770.85 × 80,851.45
  4. Step 4: Simplify right side
    199,181.11x = 24,156,055,794.37
  5. Step 5: Solve for x
    x = 24,156,055,794.37/199,181.11
  6. Step 6: Final answer
    x = 121,276.84

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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.