Finding the Fourth Proportional to 125,396.21, 173,046.76 and 71,682.44
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Solution
The fourth proportional to 125,396.21, 173,046.76 and 71,682.44 is: 98,921.75
Step by Step Solution
- Step 1: Write the proportion equation
125,396.21 : 173,046.76 = 71,682.44 : x - Step 2: Convert to fraction form
125,396.21/173,046.76 = 71,682.44/x - Step 3: Cross multiply
125,396.21x = 173,046.76 × 71,682.44 - Step 4: Simplify right side
125,396.21x = 12,404,412,946.45 - Step 5: Solve for x
x = 12,404,412,946.45/125,396.21 - Step 6: Final answer
x = 98,921.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.