Home / 204,848.20-307,272.30-111,305.80

Finding the Fourth Proportional to 204,848.20, 307,272.30 and 111,305.80

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Solution

The fourth proportional to 204,848.20, 307,272.30 and 111,305.80 is: 166,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,848.20 : 307,272.30 = 111,305.80 : x
  2. Step 2: Convert to fraction form
    204,848.20/307,272.30 = 111,305.80/x
  3. Step 3: Cross multiply
    204,848.20x = 307,272.30 × 111,305.80
  4. Step 4: Simplify right side
    204,848.20x = 34,201,189,169.34
  5. Step 5: Solve for x
    x = 34,201,189,169.34/204,848.20
  6. Step 6: Final answer
    x = 166,958.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.