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Finding the Fourth Proportional to 116,836.40, 175,254.60 and 72,318.80

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Solution

The fourth proportional to 116,836.40, 175,254.60 and 72,318.80 is: 108,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,836.40 : 175,254.60 = 72,318.80 : x
  2. Step 2: Convert to fraction form
    116,836.40/175,254.60 = 72,318.80/x
  3. Step 3: Cross multiply
    116,836.40x = 175,254.60 × 72,318.80
  4. Step 4: Simplify right side
    116,836.40x = 12,674,202,366.48
  5. Step 5: Solve for x
    x = 12,674,202,366.48/116,836.40
  6. Step 6: Final answer
    x = 108,478.20

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