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Finding the Fourth Proportional to 100,662.75, 150,995.04 and 30,542.06

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Solution

The fourth proportional to 100,662.75, 150,995.04 and 30,542.06 is: 45,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,662.75 : 150,995.04 = 30,542.06 : x
  2. Step 2: Convert to fraction form
    100,662.75/150,995.04 = 30,542.06/x
  3. Step 3: Cross multiply
    100,662.75x = 150,995.04 × 30,542.06
  4. Step 4: Simplify right side
    100,662.75x = 4,611,699,834.34
  5. Step 5: Solve for x
    x = 4,611,699,834.34/100,662.75
  6. Step 6: Final answer
    x = 45,813.37

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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.