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Finding the Fourth Proportional to 106,005.96, 146,134.08 and 74,075.76

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Solution

The fourth proportional to 106,005.96, 146,134.08 and 74,075.76 is: 102,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,005.96 : 146,134.08 = 74,075.76 : x
  2. Step 2: Convert to fraction form
    106,005.96/146,134.08 = 74,075.76/x
  3. Step 3: Cross multiply
    106,005.96x = 146,134.08 × 74,075.76
  4. Step 4: Simplify right side
    106,005.96x = 10,824,993,037.90
  5. Step 5: Solve for x
    x = 10,824,993,037.90/106,005.96
  6. Step 6: Final answer
    x = 102,116.83

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