Home / 68,120.33-102,153.15-25,986.02

Finding the Fourth Proportional to 68,120.33, 102,153.15 and 25,986.02

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Solution

The fourth proportional to 68,120.33, 102,153.15 and 25,986.02 is: 38,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,120.33 : 102,153.15 = 25,986.02 : x
  2. Step 2: Convert to fraction form
    68,120.33/102,153.15 = 25,986.02/x
  3. Step 3: Cross multiply
    68,120.33x = 102,153.15 × 25,986.02
  4. Step 4: Simplify right side
    68,120.33x = 2,654,553,288.20
  5. Step 5: Solve for x
    x = 2,654,553,288.20/68,120.33
  6. Step 6: Final answer
    x = 38,968.59

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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.