Home / 148,616.54-222,629.56-81,891.18

Finding the Fourth Proportional to 148,616.54, 222,629.56 and 81,891.18

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Solution

The fourth proportional to 148,616.54, 222,629.56 and 81,891.18 is: 122,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616.54 : 222,629.56 = 81,891.18 : x
  2. Step 2: Convert to fraction form
    148,616.54/222,629.56 = 81,891.18/x
  3. Step 3: Cross multiply
    148,616.54x = 222,629.56 × 81,891.18
  4. Step 4: Simplify right side
    148,616.54x = 18,231,397,371.28
  5. Step 5: Solve for x
    x = 18,231,397,371.28/148,616.54
  6. Step 6: Final answer
    x = 122,674.08

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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.