Home / 215,842.95-323,811.11-82,723.30

Finding the Fourth Proportional to 215,842.95, 323,811.11 and 82,723.30

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Solution

The fourth proportional to 215,842.95, 323,811.11 and 82,723.30 is: 124,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.95 : 323,811.11 = 82,723.30 : x
  2. Step 2: Convert to fraction form
    215,842.95/323,811.11 = 82,723.30/x
  3. Step 3: Cross multiply
    215,842.95x = 323,811.11 × 82,723.30
  4. Step 4: Simplify right side
    215,842.95x = 26,786,722,993.14
  5. Step 5: Solve for x
    x = 26,786,722,993.14/215,842.95
  6. Step 6: Final answer
    x = 124,102.84

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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.