Home / 215,933.94-323,951.94-82,811.25

Finding the Fourth Proportional to 215,933.94, 323,951.94 and 82,811.25

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Solution

The fourth proportional to 215,933.94, 323,951.94 and 82,811.25 is: 124,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,933.94 : 323,951.94 = 82,811.25 : x
  2. Step 2: Convert to fraction form
    215,933.94/323,951.94 = 82,811.25/x
  3. Step 3: Cross multiply
    215,933.94x = 323,951.94 × 82,811.25
  4. Step 4: Simplify right side
    215,933.94x = 26,826,865,091.33
  5. Step 5: Solve for x
    x = 26,826,865,091.33/215,933.94
  6. Step 6: Final answer
    x = 124,236.45

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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.