Finding the Fourth Proportional to 125,803.98, 173,612.70 and 68,446.62
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Solution
The fourth proportional to 125,803.98, 173,612.70 and 68,446.62 is: 94,458.08
Step by Step Solution
- Step 1: Write the proportion equation
125,803.98 : 173,612.70 = 68,446.62 : x - Step 2: Convert to fraction form
125,803.98/173,612.70 = 68,446.62/x - Step 3: Cross multiply
125,803.98x = 173,612.70 × 68,446.62 - Step 4: Simplify right side
125,803.98x = 11,883,202,504.07 - Step 5: Solve for x
x = 11,883,202,504.07/125,803.98 - Step 6: Final answer
x = 94,458.08
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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.