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Finding the Fourth Proportional to 66,737.75, 100,105.44 and 16,816.73

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Solution

The fourth proportional to 66,737.75, 100,105.44 and 16,816.73 is: 25,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737.75 : 100,105.44 = 16,816.73 : x
  2. Step 2: Convert to fraction form
    66,737.75/100,105.44 = 16,816.73/x
  3. Step 3: Cross multiply
    66,737.75x = 100,105.44 × 16,816.73
  4. Step 4: Simplify right side
    66,737.75x = 1,683,445,655.48
  5. Step 5: Solve for x
    x = 1,683,445,655.48/66,737.75
  6. Step 6: Final answer
    x = 25,224.79

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1.5x scale

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.