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Finding the Fourth Proportional to 127,112.70, 190,611.45 and 48,200.70

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Solution

The fourth proportional to 127,112.70, 190,611.45 and 48,200.70 is: 72,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.70 : 190,611.45 = 48,200.70 : x
  2. Step 2: Convert to fraction form
    127,112.70/190,611.45 = 48,200.70/x
  3. Step 3: Cross multiply
    127,112.70x = 190,611.45 × 48,200.70
  4. Step 4: Simplify right side
    127,112.70x = 9,187,605,318.02
  5. Step 5: Solve for x
    x = 9,187,605,318.02/127,112.70
  6. Step 6: Final answer
    x = 72,279.21

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