Home / 220,720.60-330,821.70-102,141.46

Finding the Fourth Proportional to 220,720.60, 330,821.70 and 102,141.46

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Solution

The fourth proportional to 220,720.60, 330,821.70 and 102,141.46 is: 153,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,720.60 : 330,821.70 = 102,141.46 : x
  2. Step 2: Convert to fraction form
    220,720.60/330,821.70 = 102,141.46/x
  3. Step 3: Cross multiply
    220,720.60x = 330,821.70 × 102,141.46
  4. Step 4: Simplify right side
    220,720.60x = 33,790,611,437.68
  5. Step 5: Solve for x
    x = 33,790,611,437.68/220,720.60
  6. Step 6: Final answer
    x = 153,092.24

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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.