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Finding the Fourth Proportional to 116,838.80, 175,258.20 and 72,515.60

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Solution

The fourth proportional to 116,838.80, 175,258.20 and 72,515.60 is: 108,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,838.80 : 175,258.20 = 72,515.60 : x
  2. Step 2: Convert to fraction form
    116,838.80/175,258.20 = 72,515.60/x
  3. Step 3: Cross multiply
    116,838.80x = 175,258.20 × 72,515.60
  4. Step 4: Simplify right side
    116,838.80x = 12,708,953,527.92
  5. Step 5: Solve for x
    x = 12,708,953,527.92/116,838.80
  6. Step 6: Final answer
    x = 108,773.40

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