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Finding the Fourth Proportional to 206,672.80, 310,009.20 and 73,703.20

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Solution

The fourth proportional to 206,672.80, 310,009.20 and 73,703.20 is: 110,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,672.80 : 310,009.20 = 73,703.20 : x
  2. Step 2: Convert to fraction form
    206,672.80/310,009.20 = 73,703.20/x
  3. Step 3: Cross multiply
    206,672.80x = 310,009.20 × 73,703.20
  4. Step 4: Simplify right side
    206,672.80x = 22,848,670,069.44
  5. Step 5: Solve for x
    x = 22,848,670,069.44/206,672.80
  6. Step 6: Final answer
    x = 110,554.80

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