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Finding the Fourth Proportional to 156,956.72, 216,634.68 and 103,247.04

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Solution

The fourth proportional to 156,956.72, 216,634.68 and 103,247.04 is: 142,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.72 : 216,634.68 = 103,247.04 : x
  2. Step 2: Convert to fraction form
    156,956.72/216,634.68 = 103,247.04/x
  3. Step 3: Cross multiply
    156,956.72x = 216,634.68 × 103,247.04
  4. Step 4: Simplify right side
    156,956.72x = 22,366,889,471.35
  5. Step 5: Solve for x
    x = 22,366,889,471.35/156,956.72
  6. Step 6: Final answer
    x = 142,503.55

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