Home / 90,147.06-135,212.22-33,963.03

Finding the Fourth Proportional to 90,147.06, 135,212.22 and 33,963.03

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Solution

The fourth proportional to 90,147.06, 135,212.22 and 33,963.03 is: 50,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,147.06 : 135,212.22 = 33,963.03 : x
  2. Step 2: Convert to fraction form
    90,147.06/135,212.22 = 33,963.03/x
  3. Step 3: Cross multiply
    90,147.06x = 135,212.22 × 33,963.03
  4. Step 4: Simplify right side
    90,147.06x = 4,592,216,684.23
  5. Step 5: Solve for x
    x = 4,592,216,684.23/90,147.06
  6. Step 6: Final answer
    x = 50,941.39

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Double scale
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Similar ratio
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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.