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Finding the Fourth Proportional to 257,392.74, 355,197.67 and 141,105.43

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Solution

The fourth proportional to 257,392.74, 355,197.67 and 141,105.43 is: 194,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,392.74 : 355,197.67 = 141,105.43 : x
  2. Step 2: Convert to fraction form
    257,392.74/355,197.67 = 141,105.43/x
  3. Step 3: Cross multiply
    257,392.74x = 355,197.67 × 141,105.43
  4. Step 4: Simplify right side
    257,392.74x = 50,120,319,750.51
  5. Step 5: Solve for x
    x = 50,120,319,750.51/257,392.74
  6. Step 6: Final answer
    x = 194,723.13

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