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Finding the Fourth Proportional to 151,361.63, 208,879.10 and 87,736.33

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Solution

The fourth proportional to 151,361.63, 208,879.10 and 87,736.33 is: 121,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,361.63 : 208,879.10 = 87,736.33 : x
  2. Step 2: Convert to fraction form
    151,361.63/208,879.10 = 87,736.33/x
  3. Step 3: Cross multiply
    151,361.63x = 208,879.10 × 87,736.33
  4. Step 4: Simplify right side
    151,361.63x = 18,326,285,647.70
  5. Step 5: Solve for x
    x = 18,326,285,647.70/151,361.63
  6. Step 6: Final answer
    x = 121,076.16

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