Home / 220,209.34-330,320.86-104,778.54

Finding the Fourth Proportional to 220,209.34, 330,320.86 and 104,778.54

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Solution

The fourth proportional to 220,209.34, 330,320.86 and 104,778.54 is: 157,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,209.34 : 330,320.86 = 104,778.54 : x
  2. Step 2: Convert to fraction form
    220,209.34/330,320.86 = 104,778.54/x
  3. Step 3: Cross multiply
    220,209.34x = 330,320.86 × 104,778.54
  4. Step 4: Simplify right side
    220,209.34x = 34,610,536,052.69
  5. Step 5: Solve for x
    x = 34,610,536,052.69/220,209.34
  6. Step 6: Final answer
    x = 157,171.06

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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.