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Finding the Fourth Proportional to 105,440.80, 158,161.20 and 95,591.20

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Solution

The fourth proportional to 105,440.80, 158,161.20 and 95,591.20 is: 143,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,440.80 : 158,161.20 = 95,591.20 : x
  2. Step 2: Convert to fraction form
    105,440.80/158,161.20 = 95,591.20/x
  3. Step 3: Cross multiply
    105,440.80x = 158,161.20 × 95,591.20
  4. Step 4: Simplify right side
    105,440.80x = 15,118,818,901.44
  5. Step 5: Solve for x
    x = 15,118,818,901.44/105,440.80
  6. Step 6: Final answer
    x = 143,386.80

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