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Finding the Fourth Proportional to 251,836.76, 347,534.80 and 138,659.50

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Solution

The fourth proportional to 251,836.76, 347,534.80 and 138,659.50 is: 191,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,836.76 : 347,534.80 = 138,659.50 : x
  2. Step 2: Convert to fraction form
    251,836.76/347,534.80 = 138,659.50/x
  3. Step 3: Cross multiply
    251,836.76x = 347,534.80 × 138,659.50
  4. Step 4: Simplify right side
    251,836.76x = 48,189,001,600.60
  5. Step 5: Solve for x
    x = 48,189,001,600.60/251,836.76
  6. Step 6: Final answer
    x = 191,350.15

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