Home / 215,743.48-323,678.34-110,635.96

Finding the Fourth Proportional to 215,743.48, 323,678.34 and 110,635.96

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Solution

The fourth proportional to 215,743.48, 323,678.34 and 110,635.96 is: 165,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,743.48 : 323,678.34 = 110,635.96 : x
  2. Step 2: Convert to fraction form
    215,743.48/323,678.34 = 110,635.96/x
  3. Step 3: Cross multiply
    215,743.48x = 323,678.34 × 110,635.96
  4. Step 4: Simplify right side
    215,743.48x = 35,810,463,877.11
  5. Step 5: Solve for x
    x = 35,810,463,877.11/215,743.48
  6. Step 6: Final answer
    x = 165,986.31

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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.