Home / 90,704.78-136,057.44-27,525.41

Finding the Fourth Proportional to 90,704.78, 136,057.44 and 27,525.41

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Solution

The fourth proportional to 90,704.78, 136,057.44 and 27,525.41 is: 41,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.78 : 136,057.44 = 27,525.41 : x
  2. Step 2: Convert to fraction form
    90,704.78/136,057.44 = 27,525.41/x
  3. Step 3: Cross multiply
    90,704.78x = 136,057.44 × 27,525.41
  4. Step 4: Simplify right side
    90,704.78x = 3,745,036,819.55
  5. Step 5: Solve for x
    x = 3,745,036,819.55/90,704.78
  6. Step 6: Final answer
    x = 41,288.20

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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.