Home / 100,066.05-150,150.81-43,945.60

Finding the Fourth Proportional to 100,066.05, 150,150.81 and 43,945.60

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Solution

The fourth proportional to 100,066.05, 150,150.81 and 43,945.60 is: 65,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,066.05 : 150,150.81 = 43,945.60 : x
  2. Step 2: Convert to fraction form
    100,066.05/150,150.81 = 43,945.60/x
  3. Step 3: Cross multiply
    100,066.05x = 150,150.81 × 43,945.60
  4. Step 4: Simplify right side
    100,066.05x = 6,598,467,435.94
  5. Step 5: Solve for x
    x = 6,598,467,435.94/100,066.05
  6. Step 6: Final answer
    x = 65,941.12

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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.