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Finding the Fourth Proportional to 118,665.35, 178,121.12 and 79,496.18

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Solution

The fourth proportional to 118,665.35, 178,121.12 and 79,496.18 is: 119,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665.35 : 178,121.12 = 79,496.18 : x
  2. Step 2: Convert to fraction form
    118,665.35/178,121.12 = 79,496.18/x
  3. Step 3: Cross multiply
    118,665.35x = 178,121.12 × 79,496.18
  4. Step 4: Simplify right side
    118,665.35x = 14,159,948,219.84
  5. Step 5: Solve for x
    x = 14,159,948,219.84/118,665.35
  6. Step 6: Final answer
    x = 119,326.73

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