Home / 80,204.07-120,238.45-50,556.56

Finding the Fourth Proportional to 80,204.07, 120,238.45 and 50,556.56

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Solution

The fourth proportional to 80,204.07, 120,238.45 and 50,556.56 is: 75,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,204.07 : 120,238.45 = 50,556.56 : x
  2. Step 2: Convert to fraction form
    80,204.07/120,238.45 = 50,556.56/x
  3. Step 3: Cross multiply
    80,204.07x = 120,238.45 × 50,556.56
  4. Step 4: Simplify right side
    80,204.07x = 6,078,842,411.73
  5. Step 5: Solve for x
    x = 6,078,842,411.73/80,204.07
  6. Step 6: Final answer
    x = 75,792.19

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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.