Home / 146,961.98-202,815.55-82,451.64

Finding the Fourth Proportional to 146,961.98, 202,815.55 and 82,451.64

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Solution

The fourth proportional to 146,961.98, 202,815.55 and 82,451.64 is: 113,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,961.98 : 202,815.55 = 82,451.64 : x
  2. Step 2: Convert to fraction form
    146,961.98/202,815.55 = 82,451.64/x
  3. Step 3: Cross multiply
    146,961.98x = 202,815.55 × 82,451.64
  4. Step 4: Simplify right side
    146,961.98x = 16,722,473,974.00
  5. Step 5: Solve for x
    x = 16,722,473,974.00/146,961.98
  6. Step 6: Final answer
    x = 113,787.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.