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Finding the Fourth Proportional to 254,123.05, 350,687.34 and 139,396.28

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Solution

The fourth proportional to 254,123.05, 350,687.34 and 139,396.28 is: 192,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,123.05 : 350,687.34 = 139,396.28 : x
  2. Step 2: Convert to fraction form
    254,123.05/350,687.34 = 139,396.28/x
  3. Step 3: Cross multiply
    254,123.05x = 350,687.34 × 139,396.28
  4. Step 4: Simplify right side
    254,123.05x = 48,884,510,639.10
  5. Step 5: Solve for x
    x = 48,884,510,639.10/254,123.05
  6. Step 6: Final answer
    x = 192,365.51

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