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Finding the Fourth Proportional to 157,575.40, 217,446.06 and 85,954.84

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Solution

The fourth proportional to 157,575.40, 217,446.06 and 85,954.84 is: 118,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,575.40 : 217,446.06 = 85,954.84 : x
  2. Step 2: Convert to fraction form
    157,575.40/217,446.06 = 85,954.84/x
  3. Step 3: Cross multiply
    157,575.40x = 217,446.06 × 85,954.84
  4. Step 4: Simplify right side
    157,575.40x = 18,690,541,295.93
  5. Step 5: Solve for x
    x = 18,690,541,295.93/157,575.40
  6. Step 6: Final answer
    x = 118,613.32

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