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Finding the Fourth Proportional to 123,424.44, 170,323.68 and 66,835.12

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Solution

The fourth proportional to 123,424.44, 170,323.68 and 66,835.12 is: 92,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.44 : 170,323.68 = 66,835.12 : x
  2. Step 2: Convert to fraction form
    123,424.44/170,323.68 = 66,835.12/x
  3. Step 3: Cross multiply
    123,424.44x = 170,323.68 × 66,835.12
  4. Step 4: Simplify right side
    123,424.44x = 11,383,603,591.64
  5. Step 5: Solve for x
    x = 11,383,603,591.64/123,424.44
  6. Step 6: Final answer
    x = 92,231.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.