Home / 103,512.26-155,268.31-33,391.58

Finding the Fourth Proportional to 103,512.26, 155,268.31 and 33,391.58

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Solution

The fourth proportional to 103,512.26, 155,268.31 and 33,391.58 is: 50,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,512.26 : 155,268.31 = 33,391.58 : x
  2. Step 2: Convert to fraction form
    103,512.26/155,268.31 = 33,391.58/x
  3. Step 3: Cross multiply
    103,512.26x = 155,268.31 × 33,391.58
  4. Step 4: Simplify right side
    103,512.26x = 5,184,654,194.83
  5. Step 5: Solve for x
    x = 5,184,654,194.83/103,512.26
  6. Step 6: Final answer
    x = 50,087.34

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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.