Home / 204,904.54-307,319.36-55,109.76

Finding the Fourth Proportional to 204,904.54, 307,319.36 and 55,109.76

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Solution

The fourth proportional to 204,904.54, 307,319.36 and 55,109.76 is: 82,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,904.54 : 307,319.36 = 55,109.76 : x
  2. Step 2: Convert to fraction form
    204,904.54/307,319.36 = 55,109.76/x
  3. Step 3: Cross multiply
    204,904.54x = 307,319.36 × 55,109.76
  4. Step 4: Simplify right side
    204,904.54x = 16,936,296,172.95
  5. Step 5: Solve for x
    x = 16,936,296,172.95/204,904.54
  6. Step 6: Final answer
    x = 82,654.57

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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.