Home / 215,408.48-323,112.84-96,941.44

Finding the Fourth Proportional to 215,408.48, 323,112.84 and 96,941.44

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Solution

The fourth proportional to 215,408.48, 323,112.84 and 96,941.44 is: 145,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,408.48 : 323,112.84 = 96,941.44 : x
  2. Step 2: Convert to fraction form
    215,408.48/323,112.84 = 96,941.44/x
  3. Step 3: Cross multiply
    215,408.48x = 323,112.84 × 96,941.44
  4. Step 4: Simplify right side
    215,408.48x = 31,323,023,992.09
  5. Step 5: Solve for x
    x = 31,323,023,992.09/215,408.48
  6. Step 6: Final answer
    x = 145,412.21

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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.