Home / 215,381.96-323,095.03-82,374.09

Finding the Fourth Proportional to 215,381.96, 323,095.03 and 82,374.09

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Solution

The fourth proportional to 215,381.96, 323,095.03 and 82,374.09 is: 123,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,381.96 : 323,095.03 = 82,374.09 : x
  2. Step 2: Convert to fraction form
    215,381.96/323,095.03 = 82,374.09/x
  3. Step 3: Cross multiply
    215,381.96x = 323,095.03 × 82,374.09
  4. Step 4: Simplify right side
    215,381.96x = 26,614,659,079.77
  5. Step 5: Solve for x
    x = 26,614,659,079.77/215,381.96
  6. Step 6: Final answer
    x = 123,569.58

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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.