Home / 198,121.34-297,255.99-79,826.24

Finding the Fourth Proportional to 198,121.34, 297,255.99 and 79,826.24

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Solution

The fourth proportional to 198,121.34, 297,255.99 and 79,826.24 is: 119,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,121.34 : 297,255.99 = 79,826.24 : x
  2. Step 2: Convert to fraction form
    198,121.34/297,255.99 = 79,826.24/x
  3. Step 3: Cross multiply
    198,121.34x = 297,255.99 × 79,826.24
  4. Step 4: Simplify right side
    198,121.34x = 23,728,827,999.18
  5. Step 5: Solve for x
    x = 23,728,827,999.18/198,121.34
  6. Step 6: Final answer
    x = 119,769.17

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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.