Home / 144,519.15-199,409.64-84,067.74

Finding the Fourth Proportional to 144,519.15, 199,409.64 and 84,067.74

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Solution

The fourth proportional to 144,519.15, 199,409.64 and 84,067.74 is: 115,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,519.15 : 199,409.64 = 84,067.74 : x
  2. Step 2: Convert to fraction form
    144,519.15/199,409.64 = 84,067.74/x
  3. Step 3: Cross multiply
    144,519.15x = 199,409.64 × 84,067.74
  4. Step 4: Simplify right side
    144,519.15x = 16,763,917,769.01
  5. Step 5: Solve for x
    x = 16,763,917,769.01/144,519.15
  6. Step 6: Final answer
    x = 115,997.90

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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.