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Finding the Fourth Proportional to 139,988.79, 193,185.41 and 76,327.65

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Solution

The fourth proportional to 139,988.79, 193,185.41 and 76,327.65 is: 105,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,988.79 : 193,185.41 = 76,327.65 : x
  2. Step 2: Convert to fraction form
    139,988.79/193,185.41 = 76,327.65/x
  3. Step 3: Cross multiply
    139,988.79x = 193,185.41 × 76,327.65
  4. Step 4: Simplify right side
    139,988.79x = 14,745,387,977.95
  5. Step 5: Solve for x
    x = 14,745,387,977.95/139,988.79
  6. Step 6: Final answer
    x = 105,332.63

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