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Finding the Fourth Proportional to 127,755.44, 191,487.83 and 77,725.25

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Solution

The fourth proportional to 127,755.44, 191,487.83 and 77,725.25 is: 116,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,755.44 : 191,487.83 = 77,725.25 : x
  2. Step 2: Convert to fraction form
    127,755.44/191,487.83 = 77,725.25/x
  3. Step 3: Cross multiply
    127,755.44x = 191,487.83 × 77,725.25
  4. Step 4: Simplify right side
    127,755.44x = 14,883,439,458.71
  5. Step 5: Solve for x
    x = 14,883,439,458.71/127,755.44
  6. Step 6: Final answer
    x = 116,499.46

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