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Finding the Fourth Proportional to 165,795.20, 248,692.80 and 54,987.20

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Solution

The fourth proportional to 165,795.20, 248,692.80 and 54,987.20 is: 82,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,795.20 : 248,692.80 = 54,987.20 : x
  2. Step 2: Convert to fraction form
    165,795.20/248,692.80 = 54,987.20/x
  3. Step 3: Cross multiply
    165,795.20x = 248,692.80 × 54,987.20
  4. Step 4: Simplify right side
    165,795.20x = 13,674,920,732.16
  5. Step 5: Solve for x
    x = 13,674,920,732.16/165,795.20
  6. Step 6: Final answer
    x = 82,480.80

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