Home / 215,976.48-324,063.20-110,869.32

Finding the Fourth Proportional to 215,976.48, 324,063.20 and 110,869.32

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Solution

The fourth proportional to 215,976.48, 324,063.20 and 110,869.32 is: 166,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,976.48 : 324,063.20 = 110,869.32 : x
  2. Step 2: Convert to fraction form
    215,976.48/324,063.20 = 110,869.32/x
  3. Step 3: Cross multiply
    215,976.48x = 324,063.20 × 110,869.32
  4. Step 4: Simplify right side
    215,976.48x = 35,928,666,621.02
  5. Step 5: Solve for x
    x = 35,928,666,621.02/215,976.48
  6. Step 6: Final answer
    x = 166,354.53

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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.