Home / 100,083.21-150,175.73-43,908.75

Finding the Fourth Proportional to 100,083.21, 150,175.73 and 43,908.75

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Solution

The fourth proportional to 100,083.21, 150,175.73 and 43,908.75 is: 65,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,083.21 : 150,175.73 = 43,908.75 : x
  2. Step 2: Convert to fraction form
    100,083.21/150,175.73 = 43,908.75/x
  3. Step 3: Cross multiply
    100,083.21x = 150,175.73 × 43,908.75
  4. Step 4: Simplify right side
    100,083.21x = 6,594,028,365.09
  5. Step 5: Solve for x
    x = 6,594,028,365.09/100,083.21
  6. Step 6: Final answer
    x = 65,885.46

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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.