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Finding the Fourth Proportional to 100,285.12, 150,435.24 and 33,725.44

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Solution

The fourth proportional to 100,285.12, 150,435.24 and 33,725.44 is: 50,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,285.12 : 150,435.24 = 33,725.44 : x
  2. Step 2: Convert to fraction form
    100,285.12/150,435.24 = 33,725.44/x
  3. Step 3: Cross multiply
    100,285.12x = 150,435.24 × 33,725.44
  4. Step 4: Simplify right side
    100,285.12x = 5,073,494,660.51
  5. Step 5: Solve for x
    x = 5,073,494,660.51/100,285.12
  6. Step 6: Final answer
    x = 50,590.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.