Home / 154,144.93-231,235.93-54,284.49

Finding the Fourth Proportional to 154,144.93, 231,235.93 and 54,284.49

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Solution

The fourth proportional to 154,144.93, 231,235.93 and 54,284.49 is: 81,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,144.93 : 231,235.93 = 54,284.49 : x
  2. Step 2: Convert to fraction form
    154,144.93/231,235.93 = 54,284.49/x
  3. Step 3: Cross multiply
    154,144.93x = 231,235.93 × 54,284.49
  4. Step 4: Simplify right side
    154,144.93x = 12,552,524,529.73
  5. Step 5: Solve for x
    x = 12,552,524,529.73/154,144.93
  6. Step 6: Final answer
    x = 81,433.26

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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.