Home / 215,910.44-323,869.71-73,788.24

Finding the Fourth Proportional to 215,910.44, 323,869.71 and 73,788.24

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Solution

The fourth proportional to 215,910.44, 323,869.71 and 73,788.24 is: 110,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,910.44 : 323,869.71 = 73,788.24 : x
  2. Step 2: Convert to fraction form
    215,910.44/323,869.71 = 73,788.24/x
  3. Step 3: Cross multiply
    215,910.44x = 323,869.71 × 73,788.24
  4. Step 4: Simplify right side
    215,910.44x = 23,897,775,890.21
  5. Step 5: Solve for x
    x = 23,897,775,890.21/215,910.44
  6. Step 6: Final answer
    x = 110,683.75

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1.5x scale

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.