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Finding the Fourth Proportional to 257,036.47, 354,714.75 and 140,760.17

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Solution

The fourth proportional to 257,036.47, 354,714.75 and 140,760.17 is: 194,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,036.47 : 354,714.75 = 140,760.17 : x
  2. Step 2: Convert to fraction form
    257,036.47/354,714.75 = 140,760.17/x
  3. Step 3: Cross multiply
    257,036.47x = 354,714.75 × 140,760.17
  4. Step 4: Simplify right side
    257,036.47x = 49,929,709,398.29
  5. Step 5: Solve for x
    x = 49,929,709,398.29/257,036.47
  6. Step 6: Final answer
    x = 194,251.46

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