Home / 150,954.78-208,317.77-82,971.75

Finding the Fourth Proportional to 150,954.78, 208,317.77 and 82,971.75

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Solution

The fourth proportional to 150,954.78, 208,317.77 and 82,971.75 is: 114,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,954.78 : 208,317.77 = 82,971.75 : x
  2. Step 2: Convert to fraction form
    150,954.78/208,317.77 = 82,971.75/x
  3. Step 3: Cross multiply
    150,954.78x = 208,317.77 × 82,971.75
  4. Step 4: Simplify right side
    150,954.78x = 17,284,489,933.00
  5. Step 5: Solve for x
    x = 17,284,489,933.00/150,954.78
  6. Step 6: Final answer
    x = 114,501.11

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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.