Home / 144,578.43-199,512.86-80,046.39

Finding the Fourth Proportional to 144,578.43, 199,512.86 and 80,046.39

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Solution

The fourth proportional to 144,578.43, 199,512.86 and 80,046.39 is: 110,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,578.43 : 199,512.86 = 80,046.39 : x
  2. Step 2: Convert to fraction form
    144,578.43/199,512.86 = 80,046.39/x
  3. Step 3: Cross multiply
    144,578.43x = 199,512.86 × 80,046.39
  4. Step 4: Simplify right side
    144,578.43x = 15,970,283,801.34
  5. Step 5: Solve for x
    x = 15,970,283,801.34/144,578.43
  6. Step 6: Final answer
    x = 110,461.04

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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.