Home / 215,939.80-323,763.90-110,672.20

Finding the Fourth Proportional to 215,939.80, 323,763.90 and 110,672.20

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Solution

The fourth proportional to 215,939.80, 323,763.90 and 110,672.20 is: 165,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,939.80 : 323,763.90 = 110,672.20 : x
  2. Step 2: Convert to fraction form
    215,939.80/323,763.90 = 110,672.20/x
  3. Step 3: Cross multiply
    215,939.80x = 323,763.90 × 110,672.20
  4. Step 4: Simplify right side
    215,939.80x = 35,831,663,093.58
  5. Step 5: Solve for x
    x = 35,831,663,093.58/215,939.80
  6. Step 6: Final answer
    x = 165,933.58

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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.