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Finding the Fourth Proportional to 157,383.12, 217,185.84 and 85,763.76

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Solution

The fourth proportional to 157,383.12, 217,185.84 and 85,763.76 is: 118,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,383.12 : 217,185.84 = 85,763.76 : x
  2. Step 2: Convert to fraction form
    157,383.12/217,185.84 = 85,763.76/x
  3. Step 3: Cross multiply
    157,383.12x = 217,185.84 × 85,763.76
  4. Step 4: Simplify right side
    157,383.12x = 18,626,674,257.16
  5. Step 5: Solve for x
    x = 18,626,674,257.16/157,383.12
  6. Step 6: Final answer
    x = 118,352.43

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