Home / 154,146.94-231,238.92-54,286.48

Finding the Fourth Proportional to 154,146.94, 231,238.92 and 54,286.48

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Solution

The fourth proportional to 154,146.94, 231,238.92 and 54,286.48 is: 81,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,146.94 : 231,238.92 = 54,286.48 : x
  2. Step 2: Convert to fraction form
    154,146.94/231,238.92 = 54,286.48/x
  3. Step 3: Cross multiply
    154,146.94x = 231,238.92 × 54,286.48
  4. Step 4: Simplify right side
    154,146.94x = 12,553,147,005.80
  5. Step 5: Solve for x
    x = 12,553,147,005.80/154,146.94
  6. Step 6: Final answer
    x = 81,436.24

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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.