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Finding the Fourth Proportional to 192,481.55, 288,771.48 and 80,124.42

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Solution

The fourth proportional to 192,481.55, 288,771.48 and 80,124.42 is: 120,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,481.55 : 288,771.48 = 80,124.42 : x
  2. Step 2: Convert to fraction form
    192,481.55/288,771.48 = 80,124.42/x
  3. Step 3: Cross multiply
    192,481.55x = 288,771.48 × 80,124.42
  4. Step 4: Simplify right side
    192,481.55x = 23,137,648,430.43
  5. Step 5: Solve for x
    x = 23,137,648,430.43/192,481.55
  6. Step 6: Final answer
    x = 120,207.10

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1.5x scale

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.