Home / 104,991.22-144,884.73-57,245.50

Finding the Fourth Proportional to 104,991.22, 144,884.73 and 57,245.50

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Solution

The fourth proportional to 104,991.22, 144,884.73 and 57,245.50 is: 78,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,991.22 : 144,884.73 = 57,245.50 : x
  2. Step 2: Convert to fraction form
    104,991.22/144,884.73 = 57,245.50/x
  3. Step 3: Cross multiply
    104,991.22x = 144,884.73 × 57,245.50
  4. Step 4: Simplify right side
    104,991.22x = 8,293,998,811.22
  5. Step 5: Solve for x
    x = 8,293,998,811.22/104,991.22
  6. Step 6: Final answer
    x = 78,997.07

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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.