Home / 68,108.33-102,173.43-25,986.71

Finding the Fourth Proportional to 68,108.33, 102,173.43 and 25,986.71

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Solution

The fourth proportional to 68,108.33, 102,173.43 and 25,986.71 is: 38,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,108.33 : 102,173.43 = 25,986.71 : x
  2. Step 2: Convert to fraction form
    68,108.33/102,173.43 = 25,986.71/x
  3. Step 3: Cross multiply
    68,108.33x = 102,173.43 × 25,986.71
  4. Step 4: Simplify right side
    68,108.33x = 2,655,151,295.12
  5. Step 5: Solve for x
    x = 2,655,151,295.12/68,108.33
  6. Step 6: Final answer
    x = 38,984.24

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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.