Home / 220,040.23-330,172.89-104,765.19

Finding the Fourth Proportional to 220,040.23, 330,172.89 and 104,765.19

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Solution

The fourth proportional to 220,040.23, 330,172.89 and 104,765.19 is: 157,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,040.23 : 330,172.89 = 104,765.19 : x
  2. Step 2: Convert to fraction form
    220,040.23/330,172.89 = 104,765.19/x
  3. Step 3: Cross multiply
    220,040.23x = 330,172.89 × 104,765.19
  4. Step 4: Simplify right side
    220,040.23x = 34,590,625,553.70
  5. Step 5: Solve for x
    x = 34,590,625,553.70/220,040.23
  6. Step 6: Final answer
    x = 157,201.37

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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.