Home / 165,512.68-248,115.42-75,487.72

Finding the Fourth Proportional to 165,512.68, 248,115.42 and 75,487.72

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Solution

The fourth proportional to 165,512.68, 248,115.42 and 75,487.72 is: 113,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,512.68 : 248,115.42 = 75,487.72 : x
  2. Step 2: Convert to fraction form
    165,512.68/248,115.42 = 75,487.72/x
  3. Step 3: Cross multiply
    165,512.68x = 248,115.42 × 75,487.72
  4. Step 4: Simplify right side
    165,512.68x = 18,729,667,352.64
  5. Step 5: Solve for x
    x = 18,729,667,352.64/165,512.68
  6. Step 6: Final answer
    x = 113,161.53

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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.