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Finding the Fourth Proportional to 137,397.52, 190,578.64 and 133,755.76

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Solution

The fourth proportional to 137,397.52, 190,578.64 and 133,755.76 is: 185,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,397.52 : 190,578.64 = 133,755.76 : x
  2. Step 2: Convert to fraction form
    137,397.52/190,578.64 = 133,755.76/x
  3. Step 3: Cross multiply
    137,397.52x = 190,578.64 × 133,755.76
  4. Step 4: Simplify right side
    137,397.52x = 25,490,990,832.97
  5. Step 5: Solve for x
    x = 25,490,990,832.97/137,397.52
  6. Step 6: Final answer
    x = 185,527.30

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