Home / 154,434.40-231,997.20-148,136.80

Finding the Fourth Proportional to 154,434.40, 231,997.20 and 148,136.80

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Solution

The fourth proportional to 154,434.40, 231,997.20 and 148,136.80 is: 222,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.40 : 231,997.20 = 148,136.80 : x
  2. Step 2: Convert to fraction form
    154,434.40/231,997.20 = 148,136.80/x
  3. Step 3: Cross multiply
    154,434.40x = 231,997.20 × 148,136.80
  4. Step 4: Simplify right side
    154,434.40x = 34,367,322,816.96
  5. Step 5: Solve for x
    x = 34,367,322,816.96/154,434.40
  6. Step 6: Final answer
    x = 222,536.71

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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.