Home / 161,442.18-222,791.31-89,825.22

Finding the Fourth Proportional to 161,442.18, 222,791.31 and 89,825.22

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Solution

The fourth proportional to 161,442.18, 222,791.31 and 89,825.22 is: 123,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,442.18 : 222,791.31 = 89,825.22 : x
  2. Step 2: Convert to fraction form
    161,442.18/222,791.31 = 89,825.22/x
  3. Step 3: Cross multiply
    161,442.18x = 222,791.31 × 89,825.22
  4. Step 4: Simplify right side
    161,442.18x = 20,012,278,434.84
  5. Step 5: Solve for x
    x = 20,012,278,434.84/161,442.18
  6. Step 6: Final answer
    x = 123,959.42

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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.