Home / 205,715.29-283,772.77-119,664.59

Finding the Fourth Proportional to 205,715.29, 283,772.77 and 119,664.59

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Solution

The fourth proportional to 205,715.29, 283,772.77 and 119,664.59 is: 165,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,715.29 : 283,772.77 = 119,664.59 : x
  2. Step 2: Convert to fraction form
    205,715.29/283,772.77 = 119,664.59/x
  3. Step 3: Cross multiply
    205,715.29x = 283,772.77 × 119,664.59
  4. Step 4: Simplify right side
    205,715.29x = 33,957,552,175.21
  5. Step 5: Solve for x
    x = 33,957,552,175.21/205,715.29
  6. Step 6: Final answer
    x = 165,070.63

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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.