Home / 90,154.44-135,231.66-34,711.56

Finding the Fourth Proportional to 90,154.44, 135,231.66 and 34,711.56

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Solution

The fourth proportional to 90,154.44, 135,231.66 and 34,711.56 is: 52,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,154.44 : 135,231.66 = 34,711.56 : x
  2. Step 2: Convert to fraction form
    90,154.44/135,231.66 = 34,711.56/x
  3. Step 3: Cross multiply
    90,154.44x = 135,231.66 × 34,711.56
  4. Step 4: Simplify right side
    90,154.44x = 4,694,101,879.99
  5. Step 5: Solve for x
    x = 4,694,101,879.99/90,154.44
  6. Step 6: Final answer
    x = 52,067.34

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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.