Home / 110,171.20-165,141.28-53,933.76

Finding the Fourth Proportional to 110,171.20, 165,141.28 and 53,933.76

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Solution

The fourth proportional to 110,171.20, 165,141.28 and 53,933.76 is: 80,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,171.20 : 165,141.28 = 53,933.76 : x
  2. Step 2: Convert to fraction form
    110,171.20/165,141.28 = 53,933.76/x
  3. Step 3: Cross multiply
    110,171.20x = 165,141.28 × 53,933.76
  4. Step 4: Simplify right side
    110,171.20x = 8,906,690,161.61
  5. Step 5: Solve for x
    x = 8,906,690,161.61/110,171.20
  6. Step 6: Final answer
    x = 80,844.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.