Home / 144,693.97-199,677.29-80,163.36

Finding the Fourth Proportional to 144,693.97, 199,677.29 and 80,163.36

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Solution

The fourth proportional to 144,693.97, 199,677.29 and 80,163.36 is: 110,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,693.97 : 199,677.29 = 80,163.36 : x
  2. Step 2: Convert to fraction form
    144,693.97/199,677.29 = 80,163.36/x
  3. Step 3: Cross multiply
    144,693.97x = 199,677.29 × 80,163.36
  4. Step 4: Simplify right side
    144,693.97x = 16,006,802,081.28
  5. Step 5: Solve for x
    x = 16,006,802,081.28/144,693.97
  6. Step 6: Final answer
    x = 110,625.22

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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.