Home / 204,811.52-307,105.99-92,360.10

Finding the Fourth Proportional to 204,811.52, 307,105.99 and 92,360.10

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Solution

The fourth proportional to 204,811.52, 307,105.99 and 92,360.10 is: 138,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,811.52 : 307,105.99 = 92,360.10 : x
  2. Step 2: Convert to fraction form
    204,811.52/307,105.99 = 92,360.10/x
  3. Step 3: Cross multiply
    204,811.52x = 307,105.99 × 92,360.10
  4. Step 4: Simplify right side
    204,811.52x = 28,364,339,947.00
  5. Step 5: Solve for x
    x = 28,364,339,947.00/204,811.52
  6. Step 6: Final answer
    x = 138,489.96

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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.