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Finding the Fourth Proportional to 109,787.40, 164,681.10 and 50,738.40

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Solution

The fourth proportional to 109,787.40, 164,681.10 and 50,738.40 is: 76,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,787.40 : 164,681.10 = 50,738.40 : x
  2. Step 2: Convert to fraction form
    109,787.40/164,681.10 = 50,738.40/x
  3. Step 3: Cross multiply
    109,787.40x = 164,681.10 × 50,738.40
  4. Step 4: Simplify right side
    109,787.40x = 8,355,655,524.24
  5. Step 5: Solve for x
    x = 8,355,655,524.24/109,787.40
  6. Step 6: Final answer
    x = 76,107.60

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