Home / 121,539.45-182,286.09-51,467.97

Finding the Fourth Proportional to 121,539.45, 182,286.09 and 51,467.97

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Solution

The fourth proportional to 121,539.45, 182,286.09 and 51,467.97 is: 77,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,539.45 : 182,286.09 = 51,467.97 : x
  2. Step 2: Convert to fraction form
    121,539.45/182,286.09 = 51,467.97/x
  3. Step 3: Cross multiply
    121,539.45x = 182,286.09 × 51,467.97
  4. Step 4: Simplify right side
    121,539.45x = 9,381,895,011.54
  5. Step 5: Solve for x
    x = 9,381,895,011.54/121,539.45
  6. Step 6: Final answer
    x = 77,192.18

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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.