Home / 135,453.33-186,917.38-75,020.36

Finding the Fourth Proportional to 135,453.33, 186,917.38 and 75,020.36

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Solution

The fourth proportional to 135,453.33, 186,917.38 and 75,020.36 is: 103,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,453.33 : 186,917.38 = 75,020.36 : x
  2. Step 2: Convert to fraction form
    135,453.33/186,917.38 = 75,020.36/x
  3. Step 3: Cross multiply
    135,453.33x = 186,917.38 × 75,020.36
  4. Step 4: Simplify right side
    135,453.33x = 14,022,608,015.72
  5. Step 5: Solve for x
    x = 14,022,608,015.72/135,453.33
  6. Step 6: Final answer
    x = 103,523.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.