Home / 135,637.39-203,481.60-54,590.61

Finding the Fourth Proportional to 135,637.39, 203,481.60 and 54,590.61

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Solution

The fourth proportional to 135,637.39, 203,481.60 and 54,590.61 is: 81,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,637.39 : 203,481.60 = 54,590.61 : x
  2. Step 2: Convert to fraction form
    135,637.39/203,481.60 = 54,590.61/x
  3. Step 3: Cross multiply
    135,637.39x = 203,481.60 × 54,590.61
  4. Step 4: Simplify right side
    135,637.39x = 11,108,184,667.78
  5. Step 5: Solve for x
    x = 11,108,184,667.78/135,637.39
  6. Step 6: Final answer
    x = 81,896.19

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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.