Home / 200,420.33-276,580.13-109,777.82

Finding the Fourth Proportional to 200,420.33, 276,580.13 and 109,777.82

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Solution

The fourth proportional to 200,420.33, 276,580.13 and 109,777.82 is: 151,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,420.33 : 276,580.13 = 109,777.82 : x
  2. Step 2: Convert to fraction form
    200,420.33/276,580.13 = 109,777.82/x
  3. Step 3: Cross multiply
    200,420.33x = 276,580.13 × 109,777.82
  4. Step 4: Simplify right side
    200,420.33x = 30,362,362,103.68
  5. Step 5: Solve for x
    x = 30,362,362,103.68/200,420.33
  6. Step 6: Final answer
    x = 151,493.42

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1.5x scale

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.