Home / 427,546.35-641,340.18-112,003.56

Finding the Fourth Proportional to 427,546.35, 641,340.18 and 112,003.56

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Solution

The fourth proportional to 427,546.35, 641,340.18 and 112,003.56 is: 168,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,546.35 : 641,340.18 = 112,003.56 : x
  2. Step 2: Convert to fraction form
    427,546.35/641,340.18 = 112,003.56/x
  3. Step 3: Cross multiply
    427,546.35x = 641,340.18 × 112,003.56
  4. Step 4: Simplify right side
    427,546.35x = 71,832,383,331.04
  5. Step 5: Solve for x
    x = 71,832,383,331.04/427,546.35
  6. Step 6: Final answer
    x = 168,010.75

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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.