Home / 215,919.60-323,749.80-110,943.60

Finding the Fourth Proportional to 215,919.60, 323,749.80 and 110,943.60

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Solution

The fourth proportional to 215,919.60, 323,749.80 and 110,943.60 is: 166,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,919.60 : 323,749.80 = 110,943.60 : x
  2. Step 2: Convert to fraction form
    215,919.60/323,749.80 = 110,943.60/x
  3. Step 3: Cross multiply
    215,919.60x = 323,749.80 × 110,943.60
  4. Step 4: Simplify right side
    215,919.60x = 35,917,968,311.28
  5. Step 5: Solve for x
    x = 35,917,968,311.28/215,919.60
  6. Step 6: Final answer
    x = 166,348.81

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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.