Home / 220,212.10-330,324.98-104,781.28

Finding the Fourth Proportional to 220,212.10, 330,324.98 and 104,781.28

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Solution

The fourth proportional to 220,212.10, 330,324.98 and 104,781.28 is: 157,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,212.10 : 330,324.98 = 104,781.28 : x
  2. Step 2: Convert to fraction form
    220,212.10/330,324.98 = 104,781.28/x
  3. Step 3: Cross multiply
    220,212.10x = 330,324.98 × 104,781.28
  4. Step 4: Simplify right side
    220,212.10x = 34,611,874,220.37
  5. Step 5: Solve for x
    x = 34,611,874,220.37/220,212.10
  6. Step 6: Final answer
    x = 157,175.17

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1.5x scale

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.