Home / 205,145.73-283,319.37-156,224.36

Finding the Fourth Proportional to 205,145.73, 283,319.37 and 156,224.36

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Solution

The fourth proportional to 205,145.73, 283,319.37 and 156,224.36 is: 215,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,145.73 : 283,319.37 = 156,224.36 : x
  2. Step 2: Convert to fraction form
    205,145.73/283,319.37 = 156,224.36/x
  3. Step 3: Cross multiply
    205,145.73x = 283,319.37 × 156,224.36
  4. Step 4: Simplify right side
    205,145.73x = 44,261,387,962.15
  5. Step 5: Solve for x
    x = 44,261,387,962.15/205,145.73
  6. Step 6: Final answer
    x = 215,755.83

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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.