Home / 131,983.44-182,137.05-71,556

Finding the Fourth Proportional to 131,983.44, 182,137.05 and 71,556

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Solution

The fourth proportional to 131,983.44, 182,137.05 and 71,556 is: 98,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,983.44 : 182,137.05 = 71,556 : x
  2. Step 2: Convert to fraction form
    131,983.44/182,137.05 = 71,556/x
  3. Step 3: Cross multiply
    131,983.44x = 182,137.05 × 71,556
  4. Step 4: Simplify right side
    131,983.44x = 13,032,998,749.80
  5. Step 5: Solve for x
    x = 13,032,998,749.80/131,983.44
  6. Step 6: Final answer
    x = 98,747.23

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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.