Home / 221,972.20-306,322.97-119,997.45

Finding the Fourth Proportional to 221,972.20, 306,322.97 and 119,997.45

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Solution

The fourth proportional to 221,972.20, 306,322.97 and 119,997.45 is: 165,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,972.20 : 306,322.97 = 119,997.45 : x
  2. Step 2: Convert to fraction form
    221,972.20/306,322.97 = 119,997.45/x
  3. Step 3: Cross multiply
    221,972.20x = 306,322.97 × 119,997.45
  4. Step 4: Simplify right side
    221,972.20x = 36,757,974,676.44
  5. Step 5: Solve for x
    x = 36,757,974,676.44/221,972.20
  6. Step 6: Final answer
    x = 165,597.20

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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.