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Finding the Fourth Proportional to 103,036.33, 154,288.34 and 71,113.94

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Solution

The fourth proportional to 103,036.33, 154,288.34 and 71,113.94 is: 106,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,036.33 : 154,288.34 = 71,113.94 : x
  2. Step 2: Convert to fraction form
    103,036.33/154,288.34 = 71,113.94/x
  3. Step 3: Cross multiply
    103,036.33x = 154,288.34 × 71,113.94
  4. Step 4: Simplify right side
    103,036.33x = 10,972,051,753.46
  5. Step 5: Solve for x
    x = 10,972,051,753.46/103,036.33
  6. Step 6: Final answer
    x = 106,487.21

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