Home / 215,994.54-324,136.43-89,634.91

Finding the Fourth Proportional to 215,994.54, 324,136.43 and 89,634.91

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Solution

The fourth proportional to 215,994.54, 324,136.43 and 89,634.91 is: 134,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,994.54 : 324,136.43 = 89,634.91 : x
  2. Step 2: Convert to fraction form
    215,994.54/324,136.43 = 89,634.91/x
  3. Step 3: Cross multiply
    215,994.54x = 324,136.43 × 89,634.91
  4. Step 4: Simplify right side
    215,994.54x = 29,053,938,472.26
  5. Step 5: Solve for x
    x = 29,053,938,472.26/215,994.54
  6. Step 6: Final answer
    x = 134,512.37

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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.