Home / 222,553.45-307,109.23-141,972.33

Finding the Fourth Proportional to 222,553.45, 307,109.23 and 141,972.33

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Solution

The fourth proportional to 222,553.45, 307,109.23 and 141,972.33 is: 195,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,553.45 : 307,109.23 = 141,972.33 : x
  2. Step 2: Convert to fraction form
    222,553.45/307,109.23 = 141,972.33/x
  3. Step 3: Cross multiply
    222,553.45x = 307,109.23 × 141,972.33
  4. Step 4: Simplify right side
    222,553.45x = 43,601,012,947.61
  5. Step 5: Solve for x
    x = 43,601,012,947.61/222,553.45
  6. Step 6: Final answer
    x = 195,912.55

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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.