Home / 215,751.40-323,575.24-110,516.20

Finding the Fourth Proportional to 215,751.40, 323,575.24 and 110,516.20

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Solution

The fourth proportional to 215,751.40, 323,575.24 and 110,516.20 is: 165,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,751.40 : 323,575.24 = 110,516.20 : x
  2. Step 2: Convert to fraction form
    215,751.40/323,575.24 = 110,516.20/x
  3. Step 3: Cross multiply
    215,751.40x = 323,575.24 × 110,516.20
  4. Step 4: Simplify right side
    215,751.40x = 35,760,305,938.89
  5. Step 5: Solve for x
    x = 35,760,305,938.89/215,751.40
  6. Step 6: Final answer
    x = 165,747.74

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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.