Home / 215,961.80-324,104.70-110,726.60

Finding the Fourth Proportional to 215,961.80, 324,104.70 and 110,726.60

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Solution

The fourth proportional to 215,961.80, 324,104.70 and 110,726.60 is: 166,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,961.80 : 324,104.70 = 110,726.60 : x
  2. Step 2: Convert to fraction form
    215,961.80/324,104.70 = 110,726.60/x
  3. Step 3: Cross multiply
    215,961.80x = 324,104.70 × 110,726.60
  4. Step 4: Simplify right side
    215,961.80x = 35,887,011,475.02
  5. Step 5: Solve for x
    x = 35,887,011,475.02/215,961.80
  6. Step 6: Final answer
    x = 166,172.96

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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.