Home / 160,949.43-222,110.20-89,329.43

Finding the Fourth Proportional to 160,949.43, 222,110.20 and 89,329.43

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Solution

The fourth proportional to 160,949.43, 222,110.20 and 89,329.43 is: 123,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,949.43 : 222,110.20 = 89,329.43 : x
  2. Step 2: Convert to fraction form
    160,949.43/222,110.20 = 89,329.43/x
  3. Step 3: Cross multiply
    160,949.43x = 222,110.20 × 89,329.43
  4. Step 4: Simplify right side
    160,949.43x = 19,840,978,230.12
  5. Step 5: Solve for x
    x = 19,840,978,230.12/160,949.43
  6. Step 6: Final answer
    x = 123,274.61

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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.