Home / 223,977.75-335,764.93-81,723.72

Finding the Fourth Proportional to 223,977.75, 335,764.93 and 81,723.72

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Solution

The fourth proportional to 223,977.75, 335,764.93 and 81,723.72 is: 122,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,977.75 : 335,764.93 = 81,723.72 : x
  2. Step 2: Convert to fraction form
    223,977.75/335,764.93 = 81,723.72/x
  3. Step 3: Cross multiply
    223,977.75x = 335,764.93 × 81,723.72
  4. Step 4: Simplify right side
    223,977.75x = 27,439,959,125.14
  5. Step 5: Solve for x
    x = 27,439,959,125.14/223,977.75
  6. Step 6: Final answer
    x = 122,511.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.