Home / 100,202.94-150,288.21-30,069.90

Finding the Fourth Proportional to 100,202.94, 150,288.21 and 30,069.90

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Solution

The fourth proportional to 100,202.94, 150,288.21 and 30,069.90 is: 45,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,202.94 : 150,288.21 = 30,069.90 : x
  2. Step 2: Convert to fraction form
    100,202.94/150,288.21 = 30,069.90/x
  3. Step 3: Cross multiply
    100,202.94x = 150,288.21 × 30,069.90
  4. Step 4: Simplify right side
    100,202.94x = 4,519,151,445.88
  5. Step 5: Solve for x
    x = 4,519,151,445.88/100,202.94
  6. Step 6: Final answer
    x = 45,099.99

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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.