Home / 242,105.72-363,155.12-108,891.48

Finding the Fourth Proportional to 242,105.72, 363,155.12 and 108,891.48

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Solution

The fourth proportional to 242,105.72, 363,155.12 and 108,891.48 is: 163,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,105.72 : 363,155.12 = 108,891.48 : x
  2. Step 2: Convert to fraction form
    242,105.72/363,155.12 = 108,891.48/x
  3. Step 3: Cross multiply
    242,105.72x = 363,155.12 × 108,891.48
  4. Step 4: Simplify right side
    242,105.72x = 39,544,498,486.38
  5. Step 5: Solve for x
    x = 39,544,498,486.38/242,105.72
  6. Step 6: Final answer
    x = 163,335.66

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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.