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Finding the Fourth Proportional to 100,227.66, 150,311.56 and 54,628.25

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Solution

The fourth proportional to 100,227.66, 150,311.56 and 54,628.25 is: 81,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,227.66 : 150,311.56 = 54,628.25 : x
  2. Step 2: Convert to fraction form
    100,227.66/150,311.56 = 54,628.25/x
  3. Step 3: Cross multiply
    100,227.66x = 150,311.56 × 54,628.25
  4. Step 4: Simplify right side
    100,227.66x = 8,211,257,477.57
  5. Step 5: Solve for x
    x = 8,211,257,477.57/100,227.66
  6. Step 6: Final answer
    x = 81,926.06

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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.