Home / 68,614.02-102,906.62-19,354.50

Finding the Fourth Proportional to 68,614.02, 102,906.62 and 19,354.50

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Solution

The fourth proportional to 68,614.02, 102,906.62 and 19,354.50 is: 29,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,614.02 : 102,906.62 = 19,354.50 : x
  2. Step 2: Convert to fraction form
    68,614.02/102,906.62 = 19,354.50/x
  3. Step 3: Cross multiply
    68,614.02x = 102,906.62 × 19,354.50
  4. Step 4: Simplify right side
    68,614.02x = 1,991,706,176.79
  5. Step 5: Solve for x
    x = 1,991,706,176.79/68,614.02
  6. Step 6: Final answer
    x = 29,027.69

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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.