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Finding the Fourth Proportional to 96,605.70, 144,908.55 and 67,081.20

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Solution

The fourth proportional to 96,605.70, 144,908.55 and 67,081.20 is: 100,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,605.70 : 144,908.55 = 67,081.20 : x
  2. Step 2: Convert to fraction form
    96,605.70/144,908.55 = 67,081.20/x
  3. Step 3: Cross multiply
    96,605.70x = 144,908.55 × 67,081.20
  4. Step 4: Simplify right side
    96,605.70x = 9,720,639,424.26
  5. Step 5: Solve for x
    x = 9,720,639,424.26/96,605.70
  6. Step 6: Final answer
    x = 100,621.80

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