Home / 215,942.35-323,609.04-101,968.55

Finding the Fourth Proportional to 215,942.35, 323,609.04 and 101,968.55

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Solution

The fourth proportional to 215,942.35, 323,609.04 and 101,968.55 is: 152,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,942.35 : 323,609.04 = 101,968.55 : x
  2. Step 2: Convert to fraction form
    215,942.35/323,609.04 = 101,968.55/x
  3. Step 3: Cross multiply
    215,942.35x = 323,609.04 × 101,968.55
  4. Step 4: Simplify right side
    215,942.35x = 32,997,942,957.65
  5. Step 5: Solve for x
    x = 32,997,942,957.65/215,942.35
  6. Step 6: Final answer
    x = 152,809.04

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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.