Home / 226,169.28-312,169.68-130,735.44

Finding the Fourth Proportional to 226,169.28, 312,169.68 and 130,735.44

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Solution

The fourth proportional to 226,169.28, 312,169.68 and 130,735.44 is: 180,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,169.28 : 312,169.68 = 130,735.44 : x
  2. Step 2: Convert to fraction form
    226,169.28/312,169.68 = 130,735.44/x
  3. Step 3: Cross multiply
    226,169.28x = 312,169.68 × 130,735.44
  4. Step 4: Simplify right side
    226,169.28x = 40,811,640,469.46
  5. Step 5: Solve for x
    x = 40,811,640,469.46/226,169.28
  6. Step 6: Final answer
    x = 180,447.32

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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.