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Finding the Fourth Proportional to 98,685.75, 136,208.22 and 68,101.77

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Solution

The fourth proportional to 98,685.75, 136,208.22 and 68,101.77 is: 93,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685.75 : 136,208.22 = 68,101.77 : x
  2. Step 2: Convert to fraction form
    98,685.75/136,208.22 = 68,101.77/x
  3. Step 3: Cross multiply
    98,685.75x = 136,208.22 × 68,101.77
  4. Step 4: Simplify right side
    98,685.75x = 9,276,020,870.55
  5. Step 5: Solve for x
    x = 9,276,020,870.55/98,685.75
  6. Step 6: Final answer
    x = 93,995.55

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