Home / 215,380.96-323,093.53-82,373.09

Finding the Fourth Proportional to 215,380.96, 323,093.53 and 82,373.09

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Solution

The fourth proportional to 215,380.96, 323,093.53 and 82,373.09 is: 123,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,380.96 : 323,093.53 = 82,373.09 : x
  2. Step 2: Convert to fraction form
    215,380.96/323,093.53 = 82,373.09/x
  3. Step 3: Cross multiply
    215,380.96x = 323,093.53 × 82,373.09
  4. Step 4: Simplify right side
    215,380.96x = 26,614,212,425.11
  5. Step 5: Solve for x
    x = 26,614,212,425.11/215,380.96
  6. Step 6: Final answer
    x = 123,568.08

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1.5x scale

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.