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Finding the Fourth Proportional to 104,495.80, 156,743.70 and 55,343.80

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Solution

The fourth proportional to 104,495.80, 156,743.70 and 55,343.80 is: 83,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.80 : 156,743.70 = 55,343.80 : x
  2. Step 2: Convert to fraction form
    104,495.80/156,743.70 = 55,343.80/x
  3. Step 3: Cross multiply
    104,495.80x = 156,743.70 × 55,343.80
  4. Step 4: Simplify right side
    104,495.80x = 8,674,791,984.06
  5. Step 5: Solve for x
    x = 8,674,791,984.06/104,495.80
  6. Step 6: Final answer
    x = 83,015.70

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