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Finding the Fourth Proportional to 112,485.52, 168,664.38 and 45,847.60

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Solution

The fourth proportional to 112,485.52, 168,664.38 and 45,847.60 is: 68,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,485.52 : 168,664.38 = 45,847.60 : x
  2. Step 2: Convert to fraction form
    112,485.52/168,664.38 = 45,847.60/x
  3. Step 3: Cross multiply
    112,485.52x = 168,664.38 × 45,847.60
  4. Step 4: Simplify right side
    112,485.52x = 7,732,857,028.49
  5. Step 5: Solve for x
    x = 7,732,857,028.49/112,485.52
  6. Step 6: Final answer
    x = 68,745.36

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