Home / 192,384.36-288,679.68-80,142.12

Finding the Fourth Proportional to 192,384.36, 288,679.68 and 80,142.12

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Solution

The fourth proportional to 192,384.36, 288,679.68 and 80,142.12 is: 120,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,384.36 : 288,679.68 = 80,142.12 : x
  2. Step 2: Convert to fraction form
    192,384.36/288,679.68 = 80,142.12/x
  3. Step 3: Cross multiply
    192,384.36x = 288,679.68 × 80,142.12
  4. Step 4: Simplify right side
    192,384.36x = 23,135,401,556.12
  5. Step 5: Solve for x
    x = 23,135,401,556.12/192,384.36
  6. Step 6: Final answer
    x = 120,256.15

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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.