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Finding the Fourth Proportional to 198,709.32, 274,080.06 and 134,936.40

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Solution

The fourth proportional to 198,709.32, 274,080.06 and 134,936.40 is: 186,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,709.32 : 274,080.06 = 134,936.40 : x
  2. Step 2: Convert to fraction form
    198,709.32/274,080.06 = 134,936.40/x
  3. Step 3: Cross multiply
    198,709.32x = 274,080.06 × 134,936.40
  4. Step 4: Simplify right side
    198,709.32x = 36,983,376,608.18
  5. Step 5: Solve for x
    x = 36,983,376,608.18/198,709.32
  6. Step 6: Final answer
    x = 186,117.98

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