Home / 198,362.69-273,742.49-107,719.44

Finding the Fourth Proportional to 198,362.69, 273,742.49 and 107,719.44

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Solution

The fourth proportional to 198,362.69, 273,742.49 and 107,719.44 is: 148,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,362.69 : 273,742.49 = 107,719.44 : x
  2. Step 2: Convert to fraction form
    198,362.69/273,742.49 = 107,719.44/x
  3. Step 3: Cross multiply
    198,362.69x = 273,742.49 × 107,719.44
  4. Step 4: Simplify right side
    198,362.69x = 29,487,387,727.01
  5. Step 5: Solve for x
    x = 29,487,387,727.01/198,362.69
  6. Step 6: Final answer
    x = 148,653.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.