Home / 103,453.26-142,765.62-58,131.24

Finding the Fourth Proportional to 103,453.26, 142,765.62 and 58,131.24

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Solution

The fourth proportional to 103,453.26, 142,765.62 and 58,131.24 is: 80,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,453.26 : 142,765.62 = 58,131.24 : x
  2. Step 2: Convert to fraction form
    103,453.26/142,765.62 = 58,131.24/x
  3. Step 3: Cross multiply
    103,453.26x = 142,765.62 × 58,131.24
  4. Step 4: Simplify right side
    103,453.26x = 8,299,142,519.97
  5. Step 5: Solve for x
    x = 8,299,142,519.97/103,453.26
  6. Step 6: Final answer
    x = 80,221.18

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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.