Home / 200,059.20-276,070.56-109,397.12

Finding the Fourth Proportional to 200,059.20, 276,070.56 and 109,397.12

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Solution

The fourth proportional to 200,059.20, 276,070.56 and 109,397.12 is: 150,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,059.20 : 276,070.56 = 109,397.12 : x
  2. Step 2: Convert to fraction form
    200,059.20/276,070.56 = 109,397.12/x
  3. Step 3: Cross multiply
    200,059.20x = 276,070.56 × 109,397.12
  4. Step 4: Simplify right side
    200,059.20x = 30,201,324,180.79
  5. Step 5: Solve for x
    x = 30,201,324,180.79/200,059.20
  6. Step 6: Final answer
    x = 150,961.94

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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.