Home / 208,959.26-313,429.16-51,179.36

Finding the Fourth Proportional to 208,959.26, 313,429.16 and 51,179.36

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Solution

The fourth proportional to 208,959.26, 313,429.16 and 51,179.36 is: 76,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,959.26 : 313,429.16 = 51,179.36 : x
  2. Step 2: Convert to fraction form
    208,959.26/313,429.16 = 51,179.36/x
  3. Step 3: Cross multiply
    208,959.26x = 313,429.16 × 51,179.36
  4. Step 4: Simplify right side
    208,959.26x = 16,041,103,814.14
  5. Step 5: Solve for x
    x = 16,041,103,814.14/208,959.26
  6. Step 6: Final answer
    x = 76,766.66

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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.