Home / 208,694.70-287,997.66-116,814.42

Finding the Fourth Proportional to 208,694.70, 287,997.66 and 116,814.42

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Solution

The fourth proportional to 208,694.70, 287,997.66 and 116,814.42 is: 161,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,694.70 : 287,997.66 = 116,814.42 : x
  2. Step 2: Convert to fraction form
    208,694.70/287,997.66 = 116,814.42/x
  3. Step 3: Cross multiply
    208,694.70x = 287,997.66 × 116,814.42
  4. Step 4: Simplify right side
    208,694.70x = 33,642,279,614.26
  5. Step 5: Solve for x
    x = 33,642,279,614.26/208,694.70
  6. Step 6: Final answer
    x = 161,203.33

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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.