Home / 100,105.36-150,171.15-36,969.81

Finding the Fourth Proportional to 100,105.36, 150,171.15 and 36,969.81

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Solution

The fourth proportional to 100,105.36, 150,171.15 and 36,969.81 is: 55,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,105.36 : 150,171.15 = 36,969.81 : x
  2. Step 2: Convert to fraction form
    100,105.36/150,171.15 = 36,969.81/x
  3. Step 3: Cross multiply
    100,105.36x = 150,171.15 × 36,969.81
  4. Step 4: Simplify right side
    100,105.36x = 5,551,798,882.98
  5. Step 5: Solve for x
    x = 5,551,798,882.98/100,105.36
  6. Step 6: Final answer
    x = 55,459.56

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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.