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Finding the Fourth Proportional to 134,305.10, 185,328.16 and 73,874.78

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Solution

The fourth proportional to 134,305.10, 185,328.16 and 73,874.78 is: 101,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,305.10 : 185,328.16 = 73,874.78 : x
  2. Step 2: Convert to fraction form
    134,305.10/185,328.16 = 73,874.78/x
  3. Step 3: Cross multiply
    134,305.10x = 185,328.16 × 73,874.78
  4. Step 4: Simplify right side
    134,305.10x = 13,691,077,047.80
  5. Step 5: Solve for x
    x = 13,691,077,047.80/134,305.10
  6. Step 6: Final answer
    x = 101,940.11

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