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Finding the Fourth Proportional to 117,139.02, 175,706.97 and 28,393.32

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Solution

The fourth proportional to 117,139.02, 175,706.97 and 28,393.32 is: 42,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,139.02 : 175,706.97 = 28,393.32 : x
  2. Step 2: Convert to fraction form
    117,139.02/175,706.97 = 28,393.32/x
  3. Step 3: Cross multiply
    117,139.02x = 175,706.97 × 28,393.32
  4. Step 4: Simplify right side
    117,139.02x = 4,988,904,225.44
  5. Step 5: Solve for x
    x = 4,988,904,225.44/117,139.02
  6. Step 6: Final answer
    x = 42,589.60

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