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Finding the Fourth Proportional to 118,532.80, 163,293.60 and 82,657.60

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Solution

The fourth proportional to 118,532.80, 163,293.60 and 82,657.60 is: 113,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,532.80 : 163,293.60 = 82,657.60 : x
  2. Step 2: Convert to fraction form
    118,532.80/163,293.60 = 82,657.60/x
  3. Step 3: Cross multiply
    118,532.80x = 163,293.60 × 82,657.60
  4. Step 4: Simplify right side
    118,532.80x = 13,497,457,071.36
  5. Step 5: Solve for x
    x = 13,497,457,071.36/118,532.80
  6. Step 6: Final answer
    x = 113,871.07

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