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Finding the Fourth Proportional to 231,657.93, 347,490.32 and 91,415.25

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Solution

The fourth proportional to 231,657.93, 347,490.32 and 91,415.25 is: 137,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,657.93 : 347,490.32 = 91,415.25 : x
  2. Step 2: Convert to fraction form
    231,657.93/347,490.32 = 91,415.25/x
  3. Step 3: Cross multiply
    231,657.93x = 347,490.32 × 91,415.25
  4. Step 4: Simplify right side
    231,657.93x = 31,765,914,018.30
  5. Step 5: Solve for x
    x = 31,765,914,018.30/231,657.93
  6. Step 6: Final answer
    x = 137,124.22

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