Home / 200,161.28-276,190.08-110,720

Finding the Fourth Proportional to 200,161.28, 276,190.08 and 110,720

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Solution

The fourth proportional to 200,161.28, 276,190.08 and 110,720 is: 152,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,161.28 : 276,190.08 = 110,720 : x
  2. Step 2: Convert to fraction form
    200,161.28/276,190.08 = 110,720/x
  3. Step 3: Cross multiply
    200,161.28x = 276,190.08 × 110,720
  4. Step 4: Simplify right side
    200,161.28x = 30,579,765,657.60
  5. Step 5: Solve for x
    x = 30,579,765,657.60/200,161.28
  6. Step 6: Final answer
    x = 152,775.63

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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.