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Finding the Fourth Proportional to 158,489.82, 237,678.12 and 74,235.60

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Solution

The fourth proportional to 158,489.82, 237,678.12 and 74,235.60 is: 111,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,489.82 : 237,678.12 = 74,235.60 : x
  2. Step 2: Convert to fraction form
    158,489.82/237,678.12 = 74,235.60/x
  3. Step 3: Cross multiply
    158,489.82x = 237,678.12 × 74,235.60
  4. Step 4: Simplify right side
    158,489.82x = 17,644,177,845.07
  5. Step 5: Solve for x
    x = 17,644,177,845.07/158,489.82
  6. Step 6: Final answer
    x = 111,326.88

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