Home / 199,121.22-298,672.11-74,452.50

Finding the Fourth Proportional to 199,121.22, 298,672.11 and 74,452.50

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Solution

The fourth proportional to 199,121.22, 298,672.11 and 74,452.50 is: 111,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,121.22 : 298,672.11 = 74,452.50 : x
  2. Step 2: Convert to fraction form
    199,121.22/298,672.11 = 74,452.50/x
  3. Step 3: Cross multiply
    199,121.22x = 298,672.11 × 74,452.50
  4. Step 4: Simplify right side
    199,121.22x = 22,236,885,269.78
  5. Step 5: Solve for x
    x = 22,236,885,269.78/199,121.22
  6. Step 6: Final answer
    x = 111,675.12

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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.