Home / 104,029.26-156,300.66-66,605.64

Finding the Fourth Proportional to 104,029.26, 156,300.66 and 66,605.64

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Solution

The fourth proportional to 104,029.26, 156,300.66 and 66,605.64 is: 100,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,029.26 : 156,300.66 = 66,605.64 : x
  2. Step 2: Convert to fraction form
    104,029.26/156,300.66 = 66,605.64/x
  3. Step 3: Cross multiply
    104,029.26x = 156,300.66 × 66,605.64
  4. Step 4: Simplify right side
    104,029.26x = 10,410,505,491.72
  5. Step 5: Solve for x
    x = 10,410,505,491.72/104,029.26
  6. Step 6: Final answer
    x = 100,072.86

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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.