Home / 90,811.85-136,222.90-27,634.04

Finding the Fourth Proportional to 90,811.85, 136,222.90 and 27,634.04

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Solution

The fourth proportional to 90,811.85, 136,222.90 and 27,634.04 is: 41,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,811.85 : 136,222.90 = 27,634.04 : x
  2. Step 2: Convert to fraction form
    90,811.85/136,222.90 = 27,634.04/x
  3. Step 3: Cross multiply
    90,811.85x = 136,222.90 × 27,634.04
  4. Step 4: Simplify right side
    90,811.85x = 3,764,388,649.04
  5. Step 5: Solve for x
    x = 3,764,388,649.04/90,811.85
  6. Step 6: Final answer
    x = 41,452.61

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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.