Home / 200,115.36-276,182.87-112,902.66

Finding the Fourth Proportional to 200,115.36, 276,182.87 and 112,902.66

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Solution

The fourth proportional to 200,115.36, 276,182.87 and 112,902.66 is: 155,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,115.36 : 276,182.87 = 112,902.66 : x
  2. Step 2: Convert to fraction form
    200,115.36/276,182.87 = 112,902.66/x
  3. Step 3: Cross multiply
    200,115.36x = 276,182.87 × 112,902.66
  4. Step 4: Simplify right side
    200,115.36x = 31,181,780,104.92
  5. Step 5: Solve for x
    x = 31,181,780,104.92/200,115.36
  6. Step 6: Final answer
    x = 155,819.02

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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.