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Finding the Fourth Proportional to 123,521.76, 184,378.68 and 106,103.52

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Solution

The fourth proportional to 123,521.76, 184,378.68 and 106,103.52 is: 158,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,521.76 : 184,378.68 = 106,103.52 : x
  2. Step 2: Convert to fraction form
    123,521.76/184,378.68 = 106,103.52/x
  3. Step 3: Cross multiply
    123,521.76x = 184,378.68 × 106,103.52
  4. Step 4: Simplify right side
    123,521.76x = 19,563,226,960.95
  5. Step 5: Solve for x
    x = 19,563,226,960.95/123,521.76
  6. Step 6: Final answer
    x = 158,378.79

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