Home / 126,981.45-190,452.69-33,494.49

Finding the Fourth Proportional to 126,981.45, 190,452.69 and 33,494.49

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Solution

The fourth proportional to 126,981.45, 190,452.69 and 33,494.49 is: 50,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,981.45 : 190,452.69 = 33,494.49 : x
  2. Step 2: Convert to fraction form
    126,981.45/190,452.69 = 33,494.49/x
  3. Step 3: Cross multiply
    126,981.45x = 190,452.69 × 33,494.49
  4. Step 4: Simplify right side
    126,981.45x = 6,379,115,720.68
  5. Step 5: Solve for x
    x = 6,379,115,720.68/126,981.45
  6. Step 6: Final answer
    x = 50,236.60

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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.