Home / 242,147.72-363,217.66-108,933.77

Finding the Fourth Proportional to 242,147.72, 363,217.66 and 108,933.77

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Solution

The fourth proportional to 242,147.72, 363,217.66 and 108,933.77 is: 163,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,147.72 : 363,217.66 = 108,933.77 : x
  2. Step 2: Convert to fraction form
    242,147.72/363,217.66 = 108,933.77/x
  3. Step 3: Cross multiply
    242,147.72x = 363,217.66 × 108,933.77
  4. Step 4: Simplify right side
    242,147.72x = 39,566,669,034.38
  5. Step 5: Solve for x
    x = 39,566,669,034.38/242,147.72
  6. Step 6: Final answer
    x = 163,398.89

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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.