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Finding the Fourth Proportional to 110,092.56, 165,138.78 and 26,986.56

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Solution

The fourth proportional to 110,092.56, 165,138.78 and 26,986.56 is: 40,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,092.56 : 165,138.78 = 26,986.56 : x
  2. Step 2: Convert to fraction form
    110,092.56/165,138.78 = 26,986.56/x
  3. Step 3: Cross multiply
    110,092.56x = 165,138.78 × 26,986.56
  4. Step 4: Simplify right side
    110,092.56x = 4,456,527,594.80
  5. Step 5: Solve for x
    x = 4,456,527,594.80/110,092.56
  6. Step 6: Final answer
    x = 40,479.83

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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.