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Finding the Fourth Proportional to 110,505.47, 165,756.99 and 66,144.61

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Solution

The fourth proportional to 110,505.47, 165,756.99 and 66,144.61 is: 99,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,505.47 : 165,756.99 = 66,144.61 : x
  2. Step 2: Convert to fraction form
    110,505.47/165,756.99 = 66,144.61/x
  3. Step 3: Cross multiply
    110,505.47x = 165,756.99 × 66,144.61
  4. Step 4: Simplify right side
    110,505.47x = 10,963,931,043.93
  5. Step 5: Solve for x
    x = 10,963,931,043.93/110,505.47
  6. Step 6: Final answer
    x = 99,216.18

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