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Finding the Fourth Proportional to 157,446.36, 217,275.36 and 85,826.16

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Solution

The fourth proportional to 157,446.36, 217,275.36 and 85,826.16 is: 118,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,446.36 : 217,275.36 = 85,826.16 : x
  2. Step 2: Convert to fraction form
    157,446.36/217,275.36 = 85,826.16/x
  3. Step 3: Cross multiply
    157,446.36x = 217,275.36 × 85,826.16
  4. Step 4: Simplify right side
    157,446.36x = 18,647,909,811.42
  5. Step 5: Solve for x
    x = 18,647,909,811.42/157,446.36
  6. Step 6: Final answer
    x = 118,439.76

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