Home / 215,442.70-323,215.32-108,564.04

Finding the Fourth Proportional to 215,442.70, 323,215.32 and 108,564.04

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Solution

The fourth proportional to 215,442.70, 323,215.32 and 108,564.04 is: 162,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,442.70 : 323,215.32 = 108,564.04 : x
  2. Step 2: Convert to fraction form
    215,442.70/323,215.32 = 108,564.04/x
  3. Step 3: Cross multiply
    215,442.70x = 323,215.32 × 108,564.04
  4. Step 4: Simplify right side
    215,442.70x = 35,089,560,929.09
  5. Step 5: Solve for x
    x = 35,089,560,929.09/215,442.70
  6. Step 6: Final answer
    x = 162,871.90

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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.