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Finding the Fourth Proportional to 114,900.40, 172,350.60 and 83,796.40

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Solution

The fourth proportional to 114,900.40, 172,350.60 and 83,796.40 is: 125,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,900.40 : 172,350.60 = 83,796.40 : x
  2. Step 2: Convert to fraction form
    114,900.40/172,350.60 = 83,796.40/x
  3. Step 3: Cross multiply
    114,900.40x = 172,350.60 × 83,796.40
  4. Step 4: Simplify right side
    114,900.40x = 14,442,359,817.84
  5. Step 5: Solve for x
    x = 14,442,359,817.84/114,900.40
  6. Step 6: Final answer
    x = 125,694.60

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