Home / 215,791.40-323,635.26-110,556.20

Finding the Fourth Proportional to 215,791.40, 323,635.26 and 110,556.20

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Solution

The fourth proportional to 215,791.40, 323,635.26 and 110,556.20 is: 165,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,791.40 : 323,635.26 = 110,556.20 : x
  2. Step 2: Convert to fraction form
    215,791.40/323,635.26 = 110,556.20/x
  3. Step 3: Cross multiply
    215,791.40x = 323,635.26 × 110,556.20
  4. Step 4: Simplify right side
    215,791.40x = 35,779,884,531.61
  5. Step 5: Solve for x
    x = 35,779,884,531.61/215,791.40
  6. Step 6: Final answer
    x = 165,807.74

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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.