Home / 100,400.70-150,527.24-47,847.09

Finding the Fourth Proportional to 100,400.70, 150,527.24 and 47,847.09

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Solution

The fourth proportional to 100,400.70, 150,527.24 and 47,847.09 is: 71,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,400.70 : 150,527.24 = 47,847.09 : x
  2. Step 2: Convert to fraction form
    100,400.70/150,527.24 = 47,847.09/x
  3. Step 3: Cross multiply
    100,400.70x = 150,527.24 × 47,847.09
  4. Step 4: Simplify right side
    100,400.70x = 7,202,290,399.73
  5. Step 5: Solve for x
    x = 7,202,290,399.73/100,400.70
  6. Step 6: Final answer
    x = 71,735.46

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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.