Home / 103,676.27-155,512.56-33,555.65

Finding the Fourth Proportional to 103,676.27, 155,512.56 and 33,555.65

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Solution

The fourth proportional to 103,676.27, 155,512.56 and 33,555.65 is: 50,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676.27 : 155,512.56 = 33,555.65 : x
  2. Step 2: Convert to fraction form
    103,676.27/155,512.56 = 33,555.65/x
  3. Step 3: Cross multiply
    103,676.27x = 155,512.56 × 33,555.65
  4. Step 4: Simplify right side
    103,676.27x = 5,218,325,033.96
  5. Step 5: Solve for x
    x = 5,218,325,033.96/103,676.27
  6. Step 6: Final answer
    x = 50,332.88

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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.