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Finding the Fourth Proportional to 118,870.92, 164,015.04 and 80,635.68

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Solution

The fourth proportional to 118,870.92, 164,015.04 and 80,635.68 is: 111,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870.92 : 164,015.04 = 80,635.68 : x
  2. Step 2: Convert to fraction form
    118,870.92/164,015.04 = 80,635.68/x
  3. Step 3: Cross multiply
    118,870.92x = 164,015.04 × 80,635.68
  4. Step 4: Simplify right side
    118,870.92x = 13,225,464,280.63
  5. Step 5: Solve for x
    x = 13,225,464,280.63/118,870.92
  6. Step 6: Final answer
    x = 111,259.04

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