Home / 135,556.32-203,243.68-52,353.12

Finding the Fourth Proportional to 135,556.32, 203,243.68 and 52,353.12

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Solution

The fourth proportional to 135,556.32, 203,243.68 and 52,353.12 is: 78,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,556.32 : 203,243.68 = 52,353.12 : x
  2. Step 2: Convert to fraction form
    135,556.32/203,243.68 = 52,353.12/x
  3. Step 3: Cross multiply
    135,556.32x = 203,243.68 × 52,353.12
  4. Step 4: Simplify right side
    135,556.32x = 10,640,440,768.28
  5. Step 5: Solve for x
    x = 10,640,440,768.28/135,556.32
  6. Step 6: Final answer
    x = 78,494.61

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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.