Home / 220,955.04-331,424.36-131,616.09

Finding the Fourth Proportional to 220,955.04, 331,424.36 and 131,616.09

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Solution

The fourth proportional to 220,955.04, 331,424.36 and 131,616.09 is: 197,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,955.04 : 331,424.36 = 131,616.09 : x
  2. Step 2: Convert to fraction form
    220,955.04/331,424.36 = 131,616.09/x
  3. Step 3: Cross multiply
    220,955.04x = 331,424.36 × 131,616.09
  4. Step 4: Simplify right side
    220,955.04x = 43,620,777,735.87
  5. Step 5: Solve for x
    x = 43,620,777,735.87/220,955.04
  6. Step 6: Final answer
    x = 197,419.25

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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.