Home / 143,945.88-215,918.48-38,764.94

Finding the Fourth Proportional to 143,945.88, 215,918.48 and 38,764.94

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Solution

The fourth proportional to 143,945.88, 215,918.48 and 38,764.94 is: 58,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,945.88 : 215,918.48 = 38,764.94 : x
  2. Step 2: Convert to fraction form
    143,945.88/215,918.48 = 38,764.94/x
  3. Step 3: Cross multiply
    143,945.88x = 215,918.48 × 38,764.94
  4. Step 4: Simplify right side
    143,945.88x = 8,370,066,922.09
  5. Step 5: Solve for x
    x = 8,370,066,922.09/143,945.88
  6. Step 6: Final answer
    x = 58,147.32

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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.