Home / 227,119.50-313,422.38-129,002.04

Finding the Fourth Proportional to 227,119.50, 313,422.38 and 129,002.04

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Solution

The fourth proportional to 227,119.50, 313,422.38 and 129,002.04 is: 178,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,119.50 : 313,422.38 = 129,002.04 : x
  2. Step 2: Convert to fraction form
    227,119.50/313,422.38 = 129,002.04/x
  3. Step 3: Cross multiply
    227,119.50x = 313,422.38 × 129,002.04
  4. Step 4: Simplify right side
    227,119.50x = 40,432,126,401.66
  5. Step 5: Solve for x
    x = 40,432,126,401.66/227,119.50
  6. Step 6: Final answer
    x = 178,021.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.