Home / 226,712.20-339,845.10-126,920.20

Finding the Fourth Proportional to 226,712.20, 339,845.10 and 126,920.20

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Solution

The fourth proportional to 226,712.20, 339,845.10 and 126,920.20 is: 190,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,712.20 : 339,845.10 = 126,920.20 : x
  2. Step 2: Convert to fraction form
    226,712.20/339,845.10 = 126,920.20/x
  3. Step 3: Cross multiply
    226,712.20x = 339,845.10 × 126,920.20
  4. Step 4: Simplify right side
    226,712.20x = 43,133,208,061.02
  5. Step 5: Solve for x
    x = 43,133,208,061.02/226,712.20
  6. Step 6: Final answer
    x = 190,255.35

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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.