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Finding the Fourth Proportional to 161,556, 222,952.41 and 101,107.32

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Solution

The fourth proportional to 161,556, 222,952.41 and 101,107.32 is: 139,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,556 : 222,952.41 = 101,107.32 : x
  2. Step 2: Convert to fraction form
    161,556/222,952.41 = 101,107.32/x
  3. Step 3: Cross multiply
    161,556x = 222,952.41 × 101,107.32
  4. Step 4: Simplify right side
    161,556x = 22,542,120,662.64
  5. Step 5: Solve for x
    x = 22,542,120,662.64/161,556
  6. Step 6: Final answer
    x = 139,531.31

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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.