Home / 100,391.03-150,600.43-33,850.19

Finding the Fourth Proportional to 100,391.03, 150,600.43 and 33,850.19

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Solution

The fourth proportional to 100,391.03, 150,600.43 and 33,850.19 is: 50,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,391.03 : 150,600.43 = 33,850.19 : x
  2. Step 2: Convert to fraction form
    100,391.03/150,600.43 = 33,850.19/x
  3. Step 3: Cross multiply
    100,391.03x = 150,600.43 × 33,850.19
  4. Step 4: Simplify right side
    100,391.03x = 5,097,853,169.58
  5. Step 5: Solve for x
    x = 5,097,853,169.58/100,391.03
  6. Step 6: Final answer
    x = 50,779.97

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1.5x scale

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.