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Finding the Fourth Proportional to 116,722.20, 175,083.30 and 72,435.45

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Solution

The fourth proportional to 116,722.20, 175,083.30 and 72,435.45 is: 108,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,722.20 : 175,083.30 = 72,435.45 : x
  2. Step 2: Convert to fraction form
    116,722.20/175,083.30 = 72,435.45/x
  3. Step 3: Cross multiply
    116,722.20x = 175,083.30 × 72,435.45
  4. Step 4: Simplify right side
    116,722.20x = 12,682,237,622.99
  5. Step 5: Solve for x
    x = 12,682,237,622.99/116,722.20
  6. Step 6: Final answer
    x = 108,653.18

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