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Finding the Fourth Proportional to 100,063.01, 150,146.26 and 43,942.57

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Solution

The fourth proportional to 100,063.01, 150,146.26 and 43,942.57 is: 65,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,063.01 : 150,146.26 = 43,942.57 : x
  2. Step 2: Convert to fraction form
    100,063.01/150,146.26 = 43,942.57/x
  3. Step 3: Cross multiply
    100,063.01x = 150,146.26 × 43,942.57
  4. Step 4: Simplify right side
    100,063.01x = 6,597,812,055.07
  5. Step 5: Solve for x
    x = 6,597,812,055.07/100,063.01
  6. Step 6: Final answer
    x = 65,936.57

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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.