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Finding the Fourth Proportional to 158,712.31, 237,978.19 and 122,676

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Solution

The fourth proportional to 158,712.31, 237,978.19 and 122,676 is: 183,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,712.31 : 237,978.19 = 122,676 : x
  2. Step 2: Convert to fraction form
    158,712.31/237,978.19 = 122,676/x
  3. Step 3: Cross multiply
    158,712.31x = 237,978.19 × 122,676
  4. Step 4: Simplify right side
    158,712.31x = 29,194,212,436.44
  5. Step 5: Solve for x
    x = 29,194,212,436.44/158,712.31
  6. Step 6: Final answer
    x = 183,944.22

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