Home / 68,233.15-102,335.62-18,301.38

Finding the Fourth Proportional to 68,233.15, 102,335.62 and 18,301.38

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Solution

The fourth proportional to 68,233.15, 102,335.62 and 18,301.38 is: 27,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,233.15 : 102,335.62 = 18,301.38 : x
  2. Step 2: Convert to fraction form
    68,233.15/102,335.62 = 18,301.38/x
  3. Step 3: Cross multiply
    68,233.15x = 102,335.62 × 18,301.38
  4. Step 4: Simplify right side
    68,233.15x = 1,872,883,069.16
  5. Step 5: Solve for x
    x = 1,872,883,069.16/68,233.15
  6. Step 6: Final answer
    x = 27,448.29

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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.