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Finding the Fourth Proportional to 104,553.40, 156,570.90 and 83,817.40

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Solution

The fourth proportional to 104,553.40, 156,570.90 and 83,817.40 is: 125,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553.40 : 156,570.90 = 83,817.40 : x
  2. Step 2: Convert to fraction form
    104,553.40/156,570.90 = 83,817.40/x
  3. Step 3: Cross multiply
    104,553.40x = 156,570.90 × 83,817.40
  4. Step 4: Simplify right side
    104,553.40x = 13,123,365,753.66
  5. Step 5: Solve for x
    x = 13,123,365,753.66/104,553.40
  6. Step 6: Final answer
    x = 125,518.31

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