Home / 165,012.21-227,716.83-89,560.71

Finding the Fourth Proportional to 165,012.21, 227,716.83 and 89,560.71

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Solution

The fourth proportional to 165,012.21, 227,716.83 and 89,560.71 is: 123,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,012.21 : 227,716.83 = 89,560.71 : x
  2. Step 2: Convert to fraction form
    165,012.21/227,716.83 = 89,560.71/x
  3. Step 3: Cross multiply
    165,012.21x = 227,716.83 × 89,560.71
  4. Step 4: Simplify right side
    165,012.21x = 20,394,480,973.75
  5. Step 5: Solve for x
    x = 20,394,480,973.75/165,012.21
  6. Step 6: Final answer
    x = 123,593.77

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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.