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Finding the Fourth Proportional to 140,088.39, 193,314.09 and 79,673.73

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Solution

The fourth proportional to 140,088.39, 193,314.09 and 79,673.73 is: 109,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,088.39 : 193,314.09 = 79,673.73 : x
  2. Step 2: Convert to fraction form
    140,088.39/193,314.09 = 79,673.73/x
  3. Step 3: Cross multiply
    140,088.39x = 193,314.09 × 79,673.73
  4. Step 4: Simplify right side
    140,088.39x = 15,402,054,611.86
  5. Step 5: Solve for x
    x = 15,402,054,611.86/140,088.39
  6. Step 6: Final answer
    x = 109,945.26

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