Home / 100,220.82-150,325.95-33,662.31

Finding the Fourth Proportional to 100,220.82, 150,325.95 and 33,662.31

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Solution

The fourth proportional to 100,220.82, 150,325.95 and 33,662.31 is: 50,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220.82 : 150,325.95 = 33,662.31 : x
  2. Step 2: Convert to fraction form
    100,220.82/150,325.95 = 33,662.31/x
  3. Step 3: Cross multiply
    100,220.82x = 150,325.95 × 33,662.31
  4. Step 4: Simplify right side
    100,220.82x = 5,060,318,729.94
  5. Step 5: Solve for x
    x = 5,060,318,729.94/100,220.82
  6. Step 6: Final answer
    x = 50,491.69

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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.