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Finding the Fourth Proportional to 107,857.17, 148,912.22 and 69,633.88

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Solution

The fourth proportional to 107,857.17, 148,912.22 and 69,633.88 is: 96,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,857.17 : 148,912.22 = 69,633.88 : x
  2. Step 2: Convert to fraction form
    107,857.17/148,912.22 = 69,633.88/x
  3. Step 3: Cross multiply
    107,857.17x = 148,912.22 × 69,633.88
  4. Step 4: Simplify right side
    107,857.17x = 10,369,335,459.82
  5. Step 5: Solve for x
    x = 10,369,335,459.82/107,857.17
  6. Step 6: Final answer
    x = 96,139.51

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