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Finding the Fourth Proportional to 118,958.10, 178,109.10 and 92,714.10

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Solution

The fourth proportional to 118,958.10, 178,109.10 and 92,714.10 is: 138,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,958.10 : 178,109.10 = 92,714.10 : x
  2. Step 2: Convert to fraction form
    118,958.10/178,109.10 = 92,714.10/x
  3. Step 3: Cross multiply
    118,958.10x = 178,109.10 × 92,714.10
  4. Step 4: Simplify right side
    118,958.10x = 16,513,224,908.31
  5. Step 5: Solve for x
    x = 16,513,224,908.31/118,958.10
  6. Step 6: Final answer
    x = 138,815.47

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