Home / 137,575.80-206,382.06-54,450.36

Finding the Fourth Proportional to 137,575.80, 206,382.06 and 54,450.36

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Solution

The fourth proportional to 137,575.80, 206,382.06 and 54,450.36 is: 81,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,575.80 : 206,382.06 = 54,450.36 : x
  2. Step 2: Convert to fraction form
    137,575.80/206,382.06 = 54,450.36/x
  3. Step 3: Cross multiply
    137,575.80x = 206,382.06 × 54,450.36
  4. Step 4: Simplify right side
    137,575.80x = 11,237,577,464.54
  5. Step 5: Solve for x
    x = 11,237,577,464.54/137,575.80
  6. Step 6: Final answer
    x = 81,682.81

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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.