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Finding the Fourth Proportional to 104,028.60, 156,042.90 and 83,292.60

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Solution

The fourth proportional to 104,028.60, 156,042.90 and 83,292.60 is: 124,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.60 : 156,042.90 = 83,292.60 : x
  2. Step 2: Convert to fraction form
    104,028.60/156,042.90 = 83,292.60/x
  3. Step 3: Cross multiply
    104,028.60x = 156,042.90 × 83,292.60
  4. Step 4: Simplify right side
    104,028.60x = 12,997,218,852.54
  5. Step 5: Solve for x
    x = 12,997,218,852.54/104,028.60
  6. Step 6: Final answer
    x = 124,938.90

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