Home / 135,839.20-203,749.18-35,997.19

Finding the Fourth Proportional to 135,839.20, 203,749.18 and 35,997.19

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Solution

The fourth proportional to 135,839.20, 203,749.18 and 35,997.19 is: 53,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,839.20 : 203,749.18 = 35,997.19 : x
  2. Step 2: Convert to fraction form
    135,839.20/203,749.18 = 35,997.19/x
  3. Step 3: Cross multiply
    135,839.20x = 203,749.18 × 35,997.19
  4. Step 4: Simplify right side
    135,839.20x = 7,334,397,944.80
  5. Step 5: Solve for x
    x = 7,334,397,944.80/135,839.20
  6. Step 6: Final answer
    x = 53,993.24

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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.