Home / 200,321.05-276,432.09-109,659.47

Finding the Fourth Proportional to 200,321.05, 276,432.09 and 109,659.47

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Solution

The fourth proportional to 200,321.05, 276,432.09 and 109,659.47 is: 151,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,321.05 : 276,432.09 = 109,659.47 : x
  2. Step 2: Convert to fraction form
    200,321.05/276,432.09 = 109,659.47/x
  3. Step 3: Cross multiply
    200,321.05x = 276,432.09 × 109,659.47
  4. Step 4: Simplify right side
    200,321.05x = 30,313,397,445.62
  5. Step 5: Solve for x
    x = 30,313,397,445.62/200,321.05
  6. Step 6: Final answer
    x = 151,324.08

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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.