Home / 171,828.96-257,694.03-71,986.74

Finding the Fourth Proportional to 171,828.96, 257,694.03 and 71,986.74

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Solution

The fourth proportional to 171,828.96, 257,694.03 and 71,986.74 is: 107,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,828.96 : 257,694.03 = 71,986.74 : x
  2. Step 2: Convert to fraction form
    171,828.96/257,694.03 = 71,986.74/x
  3. Step 3: Cross multiply
    171,828.96x = 257,694.03 × 71,986.74
  4. Step 4: Simplify right side
    171,828.96x = 18,550,553,137.16
  5. Step 5: Solve for x
    x = 18,550,553,137.16/171,828.96
  6. Step 6: Final answer
    x = 107,959.41

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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.