Home / 200,200.27-276,276.30-109,556.23

Finding the Fourth Proportional to 200,200.27, 276,276.30 and 109,556.23

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Solution

The fourth proportional to 200,200.27, 276,276.30 and 109,556.23 is: 151,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,200.27 : 276,276.30 = 109,556.23 : x
  2. Step 2: Convert to fraction form
    200,200.27/276,276.30 = 109,556.23/x
  3. Step 3: Cross multiply
    200,200.27x = 276,276.30 × 109,556.23
  4. Step 4: Simplify right side
    200,200.27x = 30,267,789,866.35
  5. Step 5: Solve for x
    x = 30,267,789,866.35/200,200.27
  6. Step 6: Final answer
    x = 151,187.56

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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.