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Finding the Fourth Proportional to 118,232.80, 176,837.20 and 105,842.40

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Solution

The fourth proportional to 118,232.80, 176,837.20 and 105,842.40 is: 158,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.80 : 176,837.20 = 105,842.40 : x
  2. Step 2: Convert to fraction form
    118,232.80/176,837.20 = 105,842.40/x
  3. Step 3: Cross multiply
    118,232.80x = 176,837.20 × 105,842.40
  4. Step 4: Simplify right side
    118,232.80x = 18,716,873,657.28
  5. Step 5: Solve for x
    x = 18,716,873,657.28/118,232.80
  6. Step 6: Final answer
    x = 158,305.26

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