Home / 68,174.13-102,254.04-18,259.38

Finding the Fourth Proportional to 68,174.13, 102,254.04 and 18,259.38

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Solution

The fourth proportional to 68,174.13, 102,254.04 and 18,259.38 is: 27,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,174.13 : 102,254.04 = 18,259.38 : x
  2. Step 2: Convert to fraction form
    68,174.13/102,254.04 = 18,259.38/x
  3. Step 3: Cross multiply
    68,174.13x = 102,254.04 × 18,259.38
  4. Step 4: Simplify right side
    68,174.13x = 1,867,095,372.90
  5. Step 5: Solve for x
    x = 1,867,095,372.90/68,174.13
  6. Step 6: Final answer
    x = 27,387.15

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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.