Home / 208,743.88-288,067.18-113,251.36

Finding the Fourth Proportional to 208,743.88, 288,067.18 and 113,251.36

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Solution

The fourth proportional to 208,743.88, 288,067.18 and 113,251.36 is: 156,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,743.88 : 288,067.18 = 113,251.36 : x
  2. Step 2: Convert to fraction form
    208,743.88/288,067.18 = 113,251.36/x
  3. Step 3: Cross multiply
    208,743.88x = 288,067.18 × 113,251.36
  4. Step 4: Simplify right side
    208,743.88x = 32,623,999,906.36
  5. Step 5: Solve for x
    x = 32,623,999,906.36/208,743.88
  6. Step 6: Final answer
    x = 156,287.22

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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.