Home / 161,564.20-222,949.94-89,942.36

Finding the Fourth Proportional to 161,564.20, 222,949.94 and 89,942.36

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Solution

The fourth proportional to 161,564.20, 222,949.94 and 89,942.36 is: 124,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,564.20 : 222,949.94 = 89,942.36 : x
  2. Step 2: Convert to fraction form
    161,564.20/222,949.94 = 89,942.36/x
  3. Step 3: Cross multiply
    161,564.20x = 222,949.94 × 89,942.36
  4. Step 4: Simplify right side
    161,564.20x = 20,052,643,765.46
  5. Step 5: Solve for x
    x = 20,052,643,765.46/161,564.20
  6. Step 6: Final answer
    x = 124,115.64

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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.