Home / 200,203.36-276,280.66-109,559.32

Finding the Fourth Proportional to 200,203.36, 276,280.66 and 109,559.32

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Solution

The fourth proportional to 200,203.36, 276,280.66 and 109,559.32 is: 151,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,203.36 : 276,280.66 = 109,559.32 : x
  2. Step 2: Convert to fraction form
    200,203.36/276,280.66 = 109,559.32/x
  3. Step 3: Cross multiply
    200,203.36x = 276,280.66 × 109,559.32
  4. Step 4: Simplify right side
    200,203.36x = 30,269,121,238.75
  5. Step 5: Solve for x
    x = 30,269,121,238.75/200,203.36
  6. Step 6: Final answer
    x = 151,191.87

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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.