Home / 204,315.88-306,397.98-71,161.96

Finding the Fourth Proportional to 204,315.88, 306,397.98 and 71,161.96

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Solution

The fourth proportional to 204,315.88, 306,397.98 and 71,161.96 is: 106,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,315.88 : 306,397.98 = 71,161.96 : x
  2. Step 2: Convert to fraction form
    204,315.88/306,397.98 = 71,161.96/x
  3. Step 3: Cross multiply
    204,315.88x = 306,397.98 × 71,161.96
  4. Step 4: Simplify right side
    204,315.88x = 21,803,880,796.84
  5. Step 5: Solve for x
    x = 21,803,880,796.84/204,315.88
  6. Step 6: Final answer
    x = 106,716.53

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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.