Home / 143,253.03-214,879.55-54,486.03

Finding the Fourth Proportional to 143,253.03, 214,879.55 and 54,486.03

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Solution

The fourth proportional to 143,253.03, 214,879.55 and 54,486.03 is: 81,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,253.03 : 214,879.55 = 54,486.03 : x
  2. Step 2: Convert to fraction form
    143,253.03/214,879.55 = 54,486.03/x
  3. Step 3: Cross multiply
    143,253.03x = 214,879.55 × 54,486.03
  4. Step 4: Simplify right side
    143,253.03x = 11,707,933,335.26
  5. Step 5: Solve for x
    x = 11,707,933,335.26/143,253.03
  6. Step 6: Final answer
    x = 81,729.05

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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.