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Finding the Fourth Proportional to 257,188.71, 354,912.39 and 142,462.74

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Solution

The fourth proportional to 257,188.71, 354,912.39 and 142,462.74 is: 196,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,188.71 : 354,912.39 = 142,462.74 : x
  2. Step 2: Convert to fraction form
    257,188.71/354,912.39 = 142,462.74/x
  3. Step 3: Cross multiply
    257,188.71x = 354,912.39 × 142,462.74
  4. Step 4: Simplify right side
    257,188.71x = 50,561,791,539.35
  5. Step 5: Solve for x
    x = 50,561,791,539.35/257,188.71
  6. Step 6: Final answer
    x = 196,594.13

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