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Finding the Fourth Proportional to 257,512.35, 355,367.81 and 142,799.07

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Solution

The fourth proportional to 257,512.35, 355,367.81 and 142,799.07 is: 197,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,512.35 : 355,367.81 = 142,799.07 : x
  2. Step 2: Convert to fraction form
    257,512.35/355,367.81 = 142,799.07/x
  3. Step 3: Cross multiply
    257,512.35x = 355,367.81 × 142,799.07
  4. Step 4: Simplify right side
    257,512.35x = 50,746,190,285.10
  5. Step 5: Solve for x
    x = 50,746,190,285.10/257,512.35
  6. Step 6: Final answer
    x = 197,063.14

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