Finding the Fourth Proportional to 131,469.24, 197,203.86 and 120,064.44
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Solution
The fourth proportional to 131,469.24, 197,203.86 and 120,064.44 is: 180,096.66
Step by Step Solution
- Step 1: Write the proportion equation
131,469.24 : 197,203.86 = 120,064.44 : x - Step 2: Convert to fraction form
131,469.24/197,203.86 = 120,064.44/x - Step 3: Cross multiply
131,469.24x = 197,203.86 × 120,064.44 - Step 4: Simplify right side
131,469.24x = 23,677,171,016.74 - Step 5: Solve for x
x = 23,677,171,016.74/131,469.24 - Step 6: Final answer
x = 180,096.66
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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.