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Finding the Fourth Proportional to 150,706.17, 225,906.17 and 66,512.14

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Solution

The fourth proportional to 150,706.17, 225,906.17 and 66,512.14 is: 99,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,706.17 : 225,906.17 = 66,512.14 : x
  2. Step 2: Convert to fraction form
    150,706.17/225,906.17 = 66,512.14/x
  3. Step 3: Cross multiply
    150,706.17x = 225,906.17 × 66,512.14
  4. Step 4: Simplify right side
    150,706.17x = 15,025,501,908.58
  5. Step 5: Solve for x
    x = 15,025,501,908.58/150,706.17
  6. Step 6: Final answer
    x = 99,700.64

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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.