Home / 198,317.06-297,593.78-71,967.16

Finding the Fourth Proportional to 198,317.06, 297,593.78 and 71,967.16

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Solution

The fourth proportional to 198,317.06, 297,593.78 and 71,967.16 is: 107,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,317.06 : 297,593.78 = 71,967.16 : x
  2. Step 2: Convert to fraction form
    198,317.06/297,593.78 = 71,967.16/x
  3. Step 3: Cross multiply
    198,317.06x = 297,593.78 × 71,967.16
  4. Step 4: Simplify right side
    198,317.06x = 21,416,978,820.43
  5. Step 5: Solve for x
    x = 21,416,978,820.43/198,317.06
  6. Step 6: Final answer
    x = 107,993.63

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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.