Home / 192,330.78-288,496.20-80,008.92

Finding the Fourth Proportional to 192,330.78, 288,496.20 and 80,008.92

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Solution

The fourth proportional to 192,330.78, 288,496.20 and 80,008.92 is: 120,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,330.78 : 288,496.20 = 80,008.92 : x
  2. Step 2: Convert to fraction form
    192,330.78/288,496.20 = 80,008.92/x
  3. Step 3: Cross multiply
    192,330.78x = 288,496.20 × 80,008.92
  4. Step 4: Simplify right side
    192,330.78x = 23,082,269,386.10
  5. Step 5: Solve for x
    x = 23,082,269,386.10/192,330.78
  6. Step 6: Final answer
    x = 120,013.39

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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.