Home / 159,537.62-220,163.38-87,920.22

Finding the Fourth Proportional to 159,537.62, 220,163.38 and 87,920.22

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Solution

The fourth proportional to 159,537.62, 220,163.38 and 87,920.22 is: 121,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,537.62 : 220,163.38 = 87,920.22 : x
  2. Step 2: Convert to fraction form
    159,537.62/220,163.38 = 87,920.22/x
  3. Step 3: Cross multiply
    159,537.62x = 220,163.38 × 87,920.22
  4. Step 4: Simplify right side
    159,537.62x = 19,356,812,805.54
  5. Step 5: Solve for x
    x = 19,356,812,805.54/159,537.62
  6. Step 6: Final answer
    x = 121,330.71

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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.