Home / 66,734.94-100,098.90-16,815

Finding the Fourth Proportional to 66,734.94, 100,098.90 and 16,815

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Solution

The fourth proportional to 66,734.94, 100,098.90 and 16,815 is: 25,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734.94 : 100,098.90 = 16,815 : x
  2. Step 2: Convert to fraction form
    66,734.94/100,098.90 = 16,815/x
  3. Step 3: Cross multiply
    66,734.94x = 100,098.90 × 16,815
  4. Step 4: Simplify right side
    66,734.94x = 1,683,163,003.50
  5. Step 5: Solve for x
    x = 1,683,163,003.50/66,734.94
  6. Step 6: Final answer
    x = 25,221.62

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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.