Home / 154,604.57-231,640.53-120,857.48

Finding the Fourth Proportional to 154,604.57, 231,640.53 and 120,857.48

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Solution

The fourth proportional to 154,604.57, 231,640.53 and 120,857.48 is: 181,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,604.57 : 231,640.53 = 120,857.48 : x
  2. Step 2: Convert to fraction form
    154,604.57/231,640.53 = 120,857.48/x
  3. Step 3: Cross multiply
    154,604.57x = 231,640.53 × 120,857.48
  4. Step 4: Simplify right side
    154,604.57x = 27,995,489,978.90
  5. Step 5: Solve for x
    x = 27,995,489,978.90/154,604.57
  6. Step 6: Final answer
    x = 181,078.03

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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.