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Finding the Fourth Proportional to 137,657.05, 190,033.59 and 92,318.56

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Solution

The fourth proportional to 137,657.05, 190,033.59 and 92,318.56 is: 127,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,657.05 : 190,033.59 = 92,318.56 : x
  2. Step 2: Convert to fraction form
    137,657.05/190,033.59 = 92,318.56/x
  3. Step 3: Cross multiply
    137,657.05x = 190,033.59 × 92,318.56
  4. Step 4: Simplify right side
    137,657.05x = 17,543,627,380.43
  5. Step 5: Solve for x
    x = 17,543,627,380.43/137,657.05
  6. Step 6: Final answer
    x = 127,444.45

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