Home / 135,620.93-203,408.31-35,782.09

Finding the Fourth Proportional to 135,620.93, 203,408.31 and 35,782.09

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Solution

The fourth proportional to 135,620.93, 203,408.31 and 35,782.09 is: 53,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,620.93 : 203,408.31 = 35,782.09 : x
  2. Step 2: Convert to fraction form
    135,620.93/203,408.31 = 35,782.09/x
  3. Step 3: Cross multiply
    135,620.93x = 203,408.31 × 35,782.09
  4. Step 4: Simplify right side
    135,620.93x = 7,278,374,455.17
  5. Step 5: Solve for x
    x = 7,278,374,455.17/135,620.93
  6. Step 6: Final answer
    x = 53,667.04

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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.