Home / 143,739.36-215,610.39-50,245.38

Finding the Fourth Proportional to 143,739.36, 215,610.39 and 50,245.38

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Solution

The fourth proportional to 143,739.36, 215,610.39 and 50,245.38 is: 75,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,739.36 : 215,610.39 = 50,245.38 : x
  2. Step 2: Convert to fraction form
    143,739.36/215,610.39 = 50,245.38/x
  3. Step 3: Cross multiply
    143,739.36x = 215,610.39 × 50,245.38
  4. Step 4: Simplify right side
    143,739.36x = 10,833,425,977.50
  5. Step 5: Solve for x
    x = 10,833,425,977.50/143,739.36
  6. Step 6: Final answer
    x = 75,368.54

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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.