Home / 192,865.33-289,344.18-80,483.03

Finding the Fourth Proportional to 192,865.33, 289,344.18 and 80,483.03

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Solution

The fourth proportional to 192,865.33, 289,344.18 and 80,483.03 is: 120,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,865.33 : 289,344.18 = 80,483.03 : x
  2. Step 2: Convert to fraction form
    192,865.33/289,344.18 = 80,483.03/x
  3. Step 3: Cross multiply
    192,865.33x = 289,344.18 × 80,483.03
  4. Step 4: Simplify right side
    192,865.33x = 23,287,294,872.54
  5. Step 5: Solve for x
    x = 23,287,294,872.54/192,865.33
  6. Step 6: Final answer
    x = 120,743.81

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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.