Home / 204,127.26-305,535.75-109,119.86

Finding the Fourth Proportional to 204,127.26, 305,535.75 and 109,119.86

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Solution

The fourth proportional to 204,127.26, 305,535.75 and 109,119.86 is: 163,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,127.26 : 305,535.75 = 109,119.86 : x
  2. Step 2: Convert to fraction form
    204,127.26/305,535.75 = 109,119.86/x
  3. Step 3: Cross multiply
    204,127.26x = 305,535.75 × 109,119.86
  4. Step 4: Simplify right side
    204,127.26x = 33,340,016,737.32
  5. Step 5: Solve for x
    x = 33,340,016,737.32/204,127.26
  6. Step 6: Final answer
    x = 163,329.57

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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.