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Finding the Fourth Proportional to 106,000.40, 159,000.60 and 74,896.40

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Solution

The fourth proportional to 106,000.40, 159,000.60 and 74,896.40 is: 112,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,000.40 : 159,000.60 = 74,896.40 : x
  2. Step 2: Convert to fraction form
    106,000.40/159,000.60 = 74,896.40/x
  3. Step 3: Cross multiply
    106,000.40x = 159,000.60 × 74,896.40
  4. Step 4: Simplify right side
    106,000.40x = 11,908,572,537.84
  5. Step 5: Solve for x
    x = 11,908,572,537.84/106,000.40
  6. Step 6: Final answer
    x = 112,344.60

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