Home / 220,910.40-331,365.60-71,150.40

Finding the Fourth Proportional to 220,910.40, 331,365.60 and 71,150.40

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Solution

The fourth proportional to 220,910.40, 331,365.60 and 71,150.40 is: 106,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,910.40 : 331,365.60 = 71,150.40 : x
  2. Step 2: Convert to fraction form
    220,910.40/331,365.60 = 71,150.40/x
  3. Step 3: Cross multiply
    220,910.40x = 331,365.60 × 71,150.40
  4. Step 4: Simplify right side
    220,910.40x = 23,576,794,986.24
  5. Step 5: Solve for x
    x = 23,576,794,986.24/220,910.40
  6. Step 6: Final answer
    x = 106,725.60

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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.