Home / 198,146.48-297,242.27-71,846.21

Finding the Fourth Proportional to 198,146.48, 297,242.27 and 71,846.21

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Solution

The fourth proportional to 198,146.48, 297,242.27 and 71,846.21 is: 107,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,146.48 : 297,242.27 = 71,846.21 : x
  2. Step 2: Convert to fraction form
    198,146.48/297,242.27 = 71,846.21/x
  3. Step 3: Cross multiply
    198,146.48x = 297,242.27 × 71,846.21
  4. Step 4: Simplify right side
    198,146.48x = 21,355,728,705.85
  5. Step 5: Solve for x
    x = 21,355,728,705.85/198,146.48
  6. Step 6: Final answer
    x = 107,777.48

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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.