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Finding the Fourth Proportional to 105,532.70, 158,164.65 and 43,132.70

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Solution

The fourth proportional to 105,532.70, 158,164.65 and 43,132.70 is: 64,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,532.70 : 158,164.65 = 43,132.70 : x
  2. Step 2: Convert to fraction form
    105,532.70/158,164.65 = 43,132.70/x
  3. Step 3: Cross multiply
    105,532.70x = 158,164.65 × 43,132.70
  4. Step 4: Simplify right side
    105,532.70x = 6,822,068,399.06
  5. Step 5: Solve for x
    x = 6,822,068,399.06/105,532.70
  6. Step 6: Final answer
    x = 64,644.12

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