Home / 137,633.31-206,470.49-48,879.36

Finding the Fourth Proportional to 137,633.31, 206,470.49 and 48,879.36

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Solution

The fourth proportional to 137,633.31, 206,470.49 and 48,879.36 is: 73,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,633.31 : 206,470.49 = 48,879.36 : x
  2. Step 2: Convert to fraction form
    137,633.31/206,470.49 = 48,879.36/x
  3. Step 3: Cross multiply
    137,633.31x = 206,470.49 × 48,879.36
  4. Step 4: Simplify right side
    137,633.31x = 10,092,145,165.69
  5. Step 5: Solve for x
    x = 10,092,145,165.69/137,633.31
  6. Step 6: Final answer
    x = 73,326.33

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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.