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Finding the Fourth Proportional to 85,887.12, 118,525.44 and 51,890.88

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Solution

The fourth proportional to 85,887.12, 118,525.44 and 51,890.88 is: 71,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,887.12 : 118,525.44 = 51,890.88 : x
  2. Step 2: Convert to fraction form
    85,887.12/118,525.44 = 51,890.88/x
  3. Step 3: Cross multiply
    85,887.12x = 118,525.44 × 51,890.88
  4. Step 4: Simplify right side
    85,887.12x = 6,150,389,383.99
  5. Step 5: Solve for x
    x = 6,150,389,383.99/85,887.12
  6. Step 6: Final answer
    x = 71,610.15

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