Home / 199,089.38-274,743.35-109,665.38

Finding the Fourth Proportional to 199,089.38, 274,743.35 and 109,665.38

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Solution

The fourth proportional to 199,089.38, 274,743.35 and 109,665.38 is: 151,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,089.38 : 274,743.35 = 109,665.38 : x
  2. Step 2: Convert to fraction form
    199,089.38/274,743.35 = 109,665.38/x
  3. Step 3: Cross multiply
    199,089.38x = 274,743.35 × 109,665.38
  4. Step 4: Simplify right side
    199,089.38x = 30,129,831,958.18
  5. Step 5: Solve for x
    x = 30,129,831,958.18/199,089.38
  6. Step 6: Final answer
    x = 151,338.22

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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.