Home / 103,678.56-155,540.52-33,556.86

Finding the Fourth Proportional to 103,678.56, 155,540.52 and 33,556.86

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Solution

The fourth proportional to 103,678.56, 155,540.52 and 33,556.86 is: 50,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.56 : 155,540.52 = 33,556.86 : x
  2. Step 2: Convert to fraction form
    103,678.56/155,540.52 = 33,556.86/x
  3. Step 3: Cross multiply
    103,678.56x = 155,540.52 × 33,556.86
  4. Step 4: Simplify right side
    103,678.56x = 5,219,451,453.97
  5. Step 5: Solve for x
    x = 5,219,451,453.97/103,678.56
  6. Step 6: Final answer
    x = 50,342.63

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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.