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Finding the Fourth Proportional to 127,116.60, 190,869.30 and 74,628.60

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Solution

The fourth proportional to 127,116.60, 190,869.30 and 74,628.60 is: 112,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.60 : 190,869.30 = 74,628.60 : x
  2. Step 2: Convert to fraction form
    127,116.60/190,869.30 = 74,628.60/x
  3. Step 3: Cross multiply
    127,116.60x = 190,869.30 × 74,628.60
  4. Step 4: Simplify right side
    127,116.60x = 14,244,308,641.98
  5. Step 5: Solve for x
    x = 14,244,308,641.98/127,116.60
  6. Step 6: Final answer
    x = 112,057.03

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