Home / 242,195.05-363,292.77-115,805.56

Finding the Fourth Proportional to 242,195.05, 363,292.77 and 115,805.56

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Solution

The fourth proportional to 242,195.05, 363,292.77 and 115,805.56 is: 173,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,195.05 : 363,292.77 = 115,805.56 : x
  2. Step 2: Convert to fraction form
    242,195.05/363,292.77 = 115,805.56/x
  3. Step 3: Cross multiply
    242,195.05x = 363,292.77 × 115,805.56
  4. Step 4: Simplify right side
    242,195.05x = 42,071,322,673.80
  5. Step 5: Solve for x
    x = 42,071,322,673.80/242,195.05
  6. Step 6: Final answer
    x = 173,708.43

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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.