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Finding the Fourth Proportional to 135,887.55, 203,911.53 and 51,718.59

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Solution

The fourth proportional to 135,887.55, 203,911.53 and 51,718.59 is: 77,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,887.55 : 203,911.53 = 51,718.59 : x
  2. Step 2: Convert to fraction form
    135,887.55/203,911.53 = 51,718.59/x
  3. Step 3: Cross multiply
    135,887.55x = 203,911.53 × 51,718.59
  4. Step 4: Simplify right side
    135,887.55x = 10,546,016,816.34
  5. Step 5: Solve for x
    x = 10,546,016,816.34/135,887.55
  6. Step 6: Final answer
    x = 77,608.41

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