Home / 198,317.04-297,593.76-71,967.15

Finding the Fourth Proportional to 198,317.04, 297,593.76 and 71,967.15

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Solution

The fourth proportional to 198,317.04, 297,593.76 and 71,967.15 is: 107,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,317.04 : 297,593.76 = 71,967.15 : x
  2. Step 2: Convert to fraction form
    198,317.04/297,593.76 = 71,967.15/x
  3. Step 3: Cross multiply
    198,317.04x = 297,593.76 × 71,967.15
  4. Step 4: Simplify right side
    198,317.04x = 21,416,974,764.98
  5. Step 5: Solve for x
    x = 21,416,974,764.98/198,317.04
  6. Step 6: Final answer
    x = 107,993.62

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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.