Home / 68,317.29-102,468.22-18,401.04

Finding the Fourth Proportional to 68,317.29, 102,468.22 and 18,401.04

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Solution

The fourth proportional to 68,317.29, 102,468.22 and 18,401.04 is: 27,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,317.29 : 102,468.22 = 18,401.04 : x
  2. Step 2: Convert to fraction form
    68,317.29/102,468.22 = 18,401.04/x
  3. Step 3: Cross multiply
    68,317.29x = 102,468.22 × 18,401.04
  4. Step 4: Simplify right side
    68,317.29x = 1,885,521,814.95
  5. Step 5: Solve for x
    x = 1,885,521,814.95/68,317.29
  6. Step 6: Final answer
    x = 27,599.48

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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.