Home / 68,139.51-102,172.17-23,754.33

Finding the Fourth Proportional to 68,139.51, 102,172.17 and 23,754.33

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Solution

The fourth proportional to 68,139.51, 102,172.17 and 23,754.33 is: 35,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,139.51 : 102,172.17 = 23,754.33 : x
  2. Step 2: Convert to fraction form
    68,139.51/102,172.17 = 23,754.33/x
  3. Step 3: Cross multiply
    68,139.51x = 102,172.17 × 23,754.33
  4. Step 4: Simplify right side
    68,139.51x = 2,427,031,443.00
  5. Step 5: Solve for x
    x = 2,427,031,443.00/68,139.51
  6. Step 6: Final answer
    x = 35,618.56

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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.