Home / 220,684.12-330,766.96-102,104.96

Finding the Fourth Proportional to 220,684.12, 330,766.96 and 102,104.96

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Solution

The fourth proportional to 220,684.12, 330,766.96 and 102,104.96 is: 153,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,684.12 : 330,766.96 = 102,104.96 : x
  2. Step 2: Convert to fraction form
    220,684.12/330,766.96 = 102,104.96/x
  3. Step 3: Cross multiply
    220,684.12x = 330,766.96 × 102,104.96
  4. Step 4: Simplify right side
    220,684.12x = 33,772,947,220.12
  5. Step 5: Solve for x
    x = 33,772,947,220.12/220,684.12
  6. Step 6: Final answer
    x = 153,037.51

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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.