Home / 216,158.85-324,436.03-109,616.34

Finding the Fourth Proportional to 216,158.85, 324,436.03 and 109,616.34

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Solution

The fourth proportional to 216,158.85, 324,436.03 and 109,616.34 is: 164,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,158.85 : 324,436.03 = 109,616.34 : x
  2. Step 2: Convert to fraction form
    216,158.85/324,436.03 = 109,616.34/x
  3. Step 3: Cross multiply
    216,158.85x = 324,436.03 × 109,616.34
  4. Step 4: Simplify right side
    216,158.85x = 35,563,489,906.96
  5. Step 5: Solve for x
    x = 35,563,489,906.96/216,158.85
  6. Step 6: Final answer
    x = 164,524.79

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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.