Finding the Fourth Proportional to 125,704.16, 173,472.44 and 69,119.20
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Solution
The fourth proportional to 125,704.16, 173,472.44 and 69,119.20 is: 95,384.88
Step by Step Solution
- Step 1: Write the proportion equation
125,704.16 : 173,472.44 = 69,119.20 : x - Step 2: Convert to fraction form
125,704.16/173,472.44 = 69,119.20/x - Step 3: Cross multiply
125,704.16x = 173,472.44 × 69,119.20 - Step 4: Simplify right side
125,704.16x = 11,990,276,274.85 - Step 5: Solve for x
x = 11,990,276,274.85/125,704.16 - Step 6: Final answer
x = 95,384.88
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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.