Home / 220,757.44-331,136.19-70,994.45

Finding the Fourth Proportional to 220,757.44, 331,136.19 and 70,994.45

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Solution

The fourth proportional to 220,757.44, 331,136.19 and 70,994.45 is: 106,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,757.44 : 331,136.19 = 70,994.45 : x
  2. Step 2: Convert to fraction form
    220,757.44/331,136.19 = 70,994.45/x
  3. Step 3: Cross multiply
    220,757.44x = 331,136.19 × 70,994.45
  4. Step 4: Simplify right side
    220,757.44x = 23,508,830,028.46
  5. Step 5: Solve for x
    x = 23,508,830,028.46/220,757.44
  6. Step 6: Final answer
    x = 106,491.68

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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.