Home / 165,028.46-247,542.66-90,107.73

Finding the Fourth Proportional to 165,028.46, 247,542.66 and 90,107.73

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Solution

The fourth proportional to 165,028.46, 247,542.66 and 90,107.73 is: 135,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,028.46 : 247,542.66 = 90,107.73 : x
  2. Step 2: Convert to fraction form
    165,028.46/247,542.66 = 90,107.73/x
  3. Step 3: Cross multiply
    165,028.46x = 247,542.66 × 90,107.73
  4. Step 4: Simplify right side
    165,028.46x = 22,305,507,170.76
  5. Step 5: Solve for x
    x = 22,305,507,170.76/165,028.46
  6. Step 6: Final answer
    x = 135,161.58

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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.