Home / 154,410.03-231,633.72-54,549.78

Finding the Fourth Proportional to 154,410.03, 231,633.72 and 54,549.78

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Solution

The fourth proportional to 154,410.03, 231,633.72 and 54,549.78 is: 81,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,410.03 : 231,633.72 = 54,549.78 : x
  2. Step 2: Convert to fraction form
    154,410.03/231,633.72 = 54,549.78/x
  3. Step 3: Cross multiply
    154,410.03x = 231,633.72 × 54,549.78
  4. Step 4: Simplify right side
    154,410.03x = 12,635,568,466.58
  5. Step 5: Solve for x
    x = 12,635,568,466.58/154,410.03
  6. Step 6: Final answer
    x = 81,831.27

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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.