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Finding the Fourth Proportional to 157,383.36, 217,183.52 and 85,761.96

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Solution

The fourth proportional to 157,383.36, 217,183.52 and 85,761.96 is: 118,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,383.36 : 217,183.52 = 85,761.96 : x
  2. Step 2: Convert to fraction form
    157,383.36/217,183.52 = 85,761.96/x
  3. Step 3: Cross multiply
    157,383.36x = 217,183.52 × 85,761.96
  4. Step 4: Simplify right side
    157,383.36x = 18,626,084,354.90
  5. Step 5: Solve for x
    x = 18,626,084,354.90/157,383.36
  6. Step 6: Final answer
    x = 118,348.50

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