Home / 100,321.20-150,507.90-29,242.24

Finding the Fourth Proportional to 100,321.20, 150,507.90 and 29,242.24

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Solution

The fourth proportional to 100,321.20, 150,507.90 and 29,242.24 is: 43,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,321.20 : 150,507.90 = 29,242.24 : x
  2. Step 2: Convert to fraction form
    100,321.20/150,507.90 = 29,242.24/x
  3. Step 3: Cross multiply
    100,321.20x = 150,507.90 × 29,242.24
  4. Step 4: Simplify right side
    100,321.20x = 4,401,188,133.70
  5. Step 5: Solve for x
    x = 4,401,188,133.70/100,321.20
  6. Step 6: Final answer
    x = 43,870.97

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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.