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Finding the Fourth Proportional to 100,081.02, 150,180.73 and 36,945.10

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Solution

The fourth proportional to 100,081.02, 150,180.73 and 36,945.10 is: 55,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,081.02 : 150,180.73 = 36,945.10 : x
  2. Step 2: Convert to fraction form
    100,081.02/150,180.73 = 36,945.10/x
  3. Step 3: Cross multiply
    100,081.02x = 150,180.73 × 36,945.10
  4. Step 4: Simplify right side
    100,081.02x = 5,548,442,087.92
  5. Step 5: Solve for x
    x = 5,548,442,087.92/100,081.02
  6. Step 6: Final answer
    x = 55,439.50

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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.