Home / 220,956.04-331,425.85-131,617.09

Finding the Fourth Proportional to 220,956.04, 331,425.85 and 131,617.09

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Solution

The fourth proportional to 220,956.04, 331,425.85 and 131,617.09 is: 197,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,956.04 : 331,425.85 = 131,617.09 : x
  2. Step 2: Convert to fraction form
    220,956.04/331,425.85 = 131,617.09/x
  3. Step 3: Cross multiply
    220,956.04x = 331,425.85 × 131,617.09
  4. Step 4: Simplify right side
    220,956.04x = 43,621,305,927.78
  5. Step 5: Solve for x
    x = 43,621,305,927.78/220,956.04
  6. Step 6: Final answer
    x = 197,420.74

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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.