Home / 222,165.09-306,586.54-120,190.23

Finding the Fourth Proportional to 222,165.09, 306,586.54 and 120,190.23

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Solution

The fourth proportional to 222,165.09, 306,586.54 and 120,190.23 is: 165,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,165.09 : 306,586.54 = 120,190.23 : x
  2. Step 2: Convert to fraction form
    222,165.09/306,586.54 = 120,190.23/x
  3. Step 3: Cross multiply
    222,165.09x = 306,586.54 × 120,190.23
  4. Step 4: Simplify right side
    222,165.09x = 36,848,706,757.50
  5. Step 5: Solve for x
    x = 36,848,706,757.50/222,165.09
  6. Step 6: Final answer
    x = 165,861.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.