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Finding the Fourth Proportional to 127,039.53, 190,393.14 and 52,071.90

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Solution

The fourth proportional to 127,039.53, 190,393.14 and 52,071.90 is: 78,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,039.53 : 190,393.14 = 52,071.90 : x
  2. Step 2: Convert to fraction form
    127,039.53/190,393.14 = 52,071.90/x
  3. Step 3: Cross multiply
    127,039.53x = 190,393.14 × 52,071.90
  4. Step 4: Simplify right side
    127,039.53x = 9,914,132,546.77
  5. Step 5: Solve for x
    x = 9,914,132,546.77/127,039.53
  6. Step 6: Final answer
    x = 78,039.75

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