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Finding the Fourth Proportional to 118,837.27, 178,135.89 and 74,495.10

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Solution

The fourth proportional to 118,837.27, 178,135.89 and 74,495.10 is: 111,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,837.27 : 178,135.89 = 74,495.10 : x
  2. Step 2: Convert to fraction form
    118,837.27/178,135.89 = 74,495.10/x
  3. Step 3: Cross multiply
    118,837.27x = 178,135.89 × 74,495.10
  4. Step 4: Simplify right side
    118,837.27x = 13,270,251,746.83
  5. Step 5: Solve for x
    x = 13,270,251,746.83/118,837.27
  6. Step 6: Final answer
    x = 111,667.42

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