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Finding the Fourth Proportional to 251,978.60, 347,731.40 and 138,801.08

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Solution

The fourth proportional to 251,978.60, 347,731.40 and 138,801.08 is: 191,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,978.60 : 347,731.40 = 138,801.08 : x
  2. Step 2: Convert to fraction form
    251,978.60/347,731.40 = 138,801.08/x
  3. Step 3: Cross multiply
    251,978.60x = 347,731.40 × 138,801.08
  4. Step 4: Simplify right side
    251,978.60x = 48,265,493,869.91
  5. Step 5: Solve for x
    x = 48,265,493,869.91/251,978.60
  6. Step 6: Final answer
    x = 191,546.00

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Why These Related Problems?

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