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Finding the Fourth Proportional to 98,017.05, 135,311.07 and 65,739.90

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Solution

The fourth proportional to 98,017.05, 135,311.07 and 65,739.90 is: 90,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,017.05 : 135,311.07 = 65,739.90 : x
  2. Step 2: Convert to fraction form
    98,017.05/135,311.07 = 65,739.90/x
  3. Step 3: Cross multiply
    98,017.05x = 135,311.07 × 65,739.90
  4. Step 4: Simplify right side
    98,017.05x = 8,895,336,210.69
  5. Step 5: Solve for x
    x = 8,895,336,210.69/98,017.05
  6. Step 6: Final answer
    x = 90,752.95

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