Home / 135,968.24-187,634.94-75,539

Finding the Fourth Proportional to 135,968.24, 187,634.94 and 75,539

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Solution

The fourth proportional to 135,968.24, 187,634.94 and 75,539 is: 104,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,968.24 : 187,634.94 = 75,539 : x
  2. Step 2: Convert to fraction form
    135,968.24/187,634.94 = 75,539/x
  3. Step 3: Cross multiply
    135,968.24x = 187,634.94 × 75,539
  4. Step 4: Simplify right side
    135,968.24x = 14,173,755,732.66
  5. Step 5: Solve for x
    x = 14,173,755,732.66/135,968.24
  6. Step 6: Final answer
    x = 104,243.14

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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.