Home / 220,020.80-330,143.83-104,745.75

Finding the Fourth Proportional to 220,020.80, 330,143.83 and 104,745.75

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Solution

The fourth proportional to 220,020.80, 330,143.83 and 104,745.75 is: 157,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,020.80 : 330,143.83 = 104,745.75 : x
  2. Step 2: Convert to fraction form
    220,020.80/330,143.83 = 104,745.75/x
  3. Step 3: Cross multiply
    220,020.80x = 330,143.83 × 104,745.75
  4. Step 4: Simplify right side
    220,020.80x = 34,581,163,081.22
  5. Step 5: Solve for x
    x = 34,581,163,081.22/220,020.80
  6. Step 6: Final answer
    x = 157,172.24

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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.