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Finding the Fourth Proportional to 100,019.32, 150,028.98 and 29,896.36

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Solution

The fourth proportional to 100,019.32, 150,028.98 and 29,896.36 is: 44,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,019.32 : 150,028.98 = 29,896.36 : x
  2. Step 2: Convert to fraction form
    100,019.32/150,028.98 = 29,896.36/x
  3. Step 3: Cross multiply
    100,019.32x = 150,028.98 × 29,896.36
  4. Step 4: Simplify right side
    100,019.32x = 4,485,320,396.51
  5. Step 5: Solve for x
    x = 4,485,320,396.51/100,019.32
  6. Step 6: Final answer
    x = 44,844.54

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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.