Home / 137,926.10-206,991.55-54,879.70

Finding the Fourth Proportional to 137,926.10, 206,991.55 and 54,879.70

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Solution

The fourth proportional to 137,926.10, 206,991.55 and 54,879.70 is: 82,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,926.10 : 206,991.55 = 54,879.70 : x
  2. Step 2: Convert to fraction form
    137,926.10/206,991.55 = 54,879.70/x
  3. Step 3: Cross multiply
    137,926.10x = 206,991.55 × 54,879.70
  4. Step 4: Simplify right side
    137,926.10x = 11,359,634,166.54
  5. Step 5: Solve for x
    x = 11,359,634,166.54/137,926.10
  6. Step 6: Final answer
    x = 82,360.29

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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.