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Finding the Fourth Proportional to 156,797.70, 235,326.15 and 72,687.30

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Solution

The fourth proportional to 156,797.70, 235,326.15 and 72,687.30 is: 109,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,797.70 : 235,326.15 = 72,687.30 : x
  2. Step 2: Convert to fraction form
    156,797.70/235,326.15 = 72,687.30/x
  3. Step 3: Cross multiply
    156,797.70x = 235,326.15 × 72,687.30
  4. Step 4: Simplify right side
    156,797.70x = 17,105,222,462.90
  5. Step 5: Solve for x
    x = 17,105,222,462.90/156,797.70
  6. Step 6: Final answer
    x = 109,091.03

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