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Finding the Fourth Proportional to 139,904.66, 193,062.80 and 76,241.09

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Solution

The fourth proportional to 139,904.66, 193,062.80 and 76,241.09 is: 105,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,904.66 : 193,062.80 = 76,241.09 : x
  2. Step 2: Convert to fraction form
    139,904.66/193,062.80 = 76,241.09/x
  3. Step 3: Cross multiply
    139,904.66x = 193,062.80 × 76,241.09
  4. Step 4: Simplify right side
    139,904.66x = 14,719,316,963.93
  5. Step 5: Solve for x
    x = 14,719,316,963.93/139,904.66
  6. Step 6: Final answer
    x = 105,209.63

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