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Finding the Fourth Proportional to 106,868.92, 147,369.90 and 71,064.76

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Solution

The fourth proportional to 106,868.92, 147,369.90 and 71,064.76 is: 97,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,868.92 : 147,369.90 = 71,064.76 : x
  2. Step 2: Convert to fraction form
    106,868.92/147,369.90 = 71,064.76/x
  3. Step 3: Cross multiply
    106,868.92x = 147,369.90 × 71,064.76
  4. Step 4: Simplify right side
    106,868.92x = 10,472,806,574.72
  5. Step 5: Solve for x
    x = 10,472,806,574.72/106,868.92
  6. Step 6: Final answer
    x = 97,996.75

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