Home / 104,043.44-156,321.84-66,619.64

Finding the Fourth Proportional to 104,043.44, 156,321.84 and 66,619.64

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Solution

The fourth proportional to 104,043.44, 156,321.84 and 66,619.64 is: 100,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.44 : 156,321.84 = 66,619.64 : x
  2. Step 2: Convert to fraction form
    104,043.44/156,321.84 = 66,619.64/x
  3. Step 3: Cross multiply
    104,043.44x = 156,321.84 × 66,619.64
  4. Step 4: Simplify right side
    104,043.44x = 10,414,104,704.94
  5. Step 5: Solve for x
    x = 10,414,104,704.94/104,043.44
  6. Step 6: Final answer
    x = 100,093.81

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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.