Home / 215,625.60-323,496.72-122,196.96

Finding the Fourth Proportional to 215,625.60, 323,496.72 and 122,196.96

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Solution

The fourth proportional to 215,625.60, 323,496.72 and 122,196.96 is: 183,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,625.60 : 323,496.72 = 122,196.96 : x
  2. Step 2: Convert to fraction form
    215,625.60/323,496.72 = 122,196.96/x
  3. Step 3: Cross multiply
    215,625.60x = 323,496.72 × 122,196.96
  4. Step 4: Simplify right side
    215,625.60x = 39,530,315,753.97
  5. Step 5: Solve for x
    x = 39,530,315,753.97/215,625.60
  6. Step 6: Final answer
    x = 183,328.49

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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.