Home / 165,131.30-227,883.84-89,679.80

Finding the Fourth Proportional to 165,131.30, 227,883.84 and 89,679.80

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Solution

The fourth proportional to 165,131.30, 227,883.84 and 89,679.80 is: 123,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,131.30 : 227,883.84 = 89,679.80 : x
  2. Step 2: Convert to fraction form
    165,131.30/227,883.84 = 89,679.80/x
  3. Step 3: Cross multiply
    165,131.30x = 227,883.84 × 89,679.80
  4. Step 4: Simplify right side
    165,131.30x = 20,436,577,194.43
  5. Step 5: Solve for x
    x = 20,436,577,194.43/165,131.30
  6. Step 6: Final answer
    x = 123,759.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.