Home / 205,775.96-283,981.82-115,126.49

Finding the Fourth Proportional to 205,775.96, 283,981.82 and 115,126.49

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Solution

The fourth proportional to 205,775.96, 283,981.82 and 115,126.49 is: 158,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,775.96 : 283,981.82 = 115,126.49 : x
  2. Step 2: Convert to fraction form
    205,775.96/283,981.82 = 115,126.49/x
  3. Step 3: Cross multiply
    205,775.96x = 283,981.82 × 115,126.49
  4. Step 4: Simplify right side
    205,775.96x = 32,693,830,294.73
  5. Step 5: Solve for x
    x = 32,693,830,294.73/205,775.96
  6. Step 6: Final answer
    x = 158,880.71

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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.