Home / 90,778.96-136,168.38-27,599.59

Finding the Fourth Proportional to 90,778.96, 136,168.38 and 27,599.59

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Solution

The fourth proportional to 90,778.96, 136,168.38 and 27,599.59 is: 41,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,778.96 : 136,168.38 = 27,599.59 : x
  2. Step 2: Convert to fraction form
    90,778.96/136,168.38 = 27,599.59/x
  3. Step 3: Cross multiply
    90,778.96x = 136,168.38 × 27,599.59
  4. Step 4: Simplify right side
    90,778.96x = 3,758,191,458.96
  5. Step 5: Solve for x
    x = 3,758,191,458.96/90,778.96
  6. Step 6: Final answer
    x = 41,399.37

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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.