Home / 90,100.26-135,150.40-27,770.76

Finding the Fourth Proportional to 90,100.26, 135,150.40 and 27,770.76

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Solution

The fourth proportional to 90,100.26, 135,150.40 and 27,770.76 is: 41,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,100.26 : 135,150.40 = 27,770.76 : x
  2. Step 2: Convert to fraction form
    90,100.26/135,150.40 = 27,770.76/x
  3. Step 3: Cross multiply
    90,100.26x = 135,150.40 × 27,770.76
  4. Step 4: Simplify right side
    90,100.26x = 3,753,229,322.30
  5. Step 5: Solve for x
    x = 3,753,229,322.30/90,100.26
  6. Step 6: Final answer
    x = 41,656.14

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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.