Home / 68,132.81-102,195.09-25,429.97

Finding the Fourth Proportional to 68,132.81, 102,195.09 and 25,429.97

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Solution

The fourth proportional to 68,132.81, 102,195.09 and 25,429.97 is: 38,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,132.81 : 102,195.09 = 25,429.97 : x
  2. Step 2: Convert to fraction form
    68,132.81/102,195.09 = 25,429.97/x
  3. Step 3: Cross multiply
    68,132.81x = 102,195.09 × 25,429.97
  4. Step 4: Simplify right side
    68,132.81x = 2,598,818,328.34
  5. Step 5: Solve for x
    x = 2,598,818,328.34/68,132.81
  6. Step 6: Final answer
    x = 38,143.42

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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.