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Finding the Fourth Proportional to 251,437.31, 346,983.49 and 138,260.06

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Solution

The fourth proportional to 251,437.31, 346,983.49 and 138,260.06 is: 190,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,437.31 : 346,983.49 = 138,260.06 : x
  2. Step 2: Convert to fraction form
    251,437.31/346,983.49 = 138,260.06/x
  3. Step 3: Cross multiply
    251,437.31x = 346,983.49 × 138,260.06
  4. Step 4: Simplify right side
    251,437.31x = 47,973,958,146.41
  5. Step 5: Solve for x
    x = 47,973,958,146.41/251,437.31
  6. Step 6: Final answer
    x = 190,798.88

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