Home / 200,163.52-276,223.29-109,518.43

Finding the Fourth Proportional to 200,163.52, 276,223.29 and 109,518.43

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Solution

The fourth proportional to 200,163.52, 276,223.29 and 109,518.43 is: 151,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,163.52 : 276,223.29 = 109,518.43 : x
  2. Step 2: Convert to fraction form
    200,163.52/276,223.29 = 109,518.43/x
  3. Step 3: Cross multiply
    200,163.52x = 276,223.29 × 109,518.43
  4. Step 4: Simplify right side
    200,163.52x = 30,251,541,050.23
  5. Step 5: Solve for x
    x = 30,251,541,050.23/200,163.52
  6. Step 6: Final answer
    x = 151,134.14

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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.