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Finding the Fourth Proportional to 139,912.53, 193,073.67 and 76,248.96

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Solution

The fourth proportional to 139,912.53, 193,073.67 and 76,248.96 is: 105,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,912.53 : 193,073.67 = 76,248.96 : x
  2. Step 2: Convert to fraction form
    139,912.53/193,073.67 = 76,248.96/x
  3. Step 3: Cross multiply
    139,912.53x = 193,073.67 × 76,248.96
  4. Step 4: Simplify right side
    139,912.53x = 14,721,666,540.88
  5. Step 5: Solve for x
    x = 14,721,666,540.88/139,912.53
  6. Step 6: Final answer
    x = 105,220.50

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