Home / 208,817.32-288,306.66-123,961.64

Finding the Fourth Proportional to 208,817.32, 288,306.66 and 123,961.64

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Solution

The fourth proportional to 208,817.32, 288,306.66 and 123,961.64 is: 171,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,817.32 : 288,306.66 = 123,961.64 : x
  2. Step 2: Convert to fraction form
    208,817.32/288,306.66 = 123,961.64/x
  3. Step 3: Cross multiply
    208,817.32x = 288,306.66 × 123,961.64
  4. Step 4: Simplify right side
    208,817.32x = 35,738,966,396.52
  5. Step 5: Solve for x
    x = 35,738,966,396.52/208,817.32
  6. Step 6: Final answer
    x = 171,149.44

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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.