Finding the Fourth Proportional to 125,380.40, 173,025.16 and 68,792.18
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Solution
The fourth proportional to 125,380.40, 173,025.16 and 68,792.18 is: 94,933.32
Step by Step Solution
- Step 1: Write the proportion equation
125,380.40 : 173,025.16 = 68,792.18 : x - Step 2: Convert to fraction form
125,380.40/173,025.16 = 68,792.18/x - Step 3: Cross multiply
125,380.40x = 173,025.16 × 68,792.18 - Step 4: Simplify right side
125,380.40x = 11,902,777,951.25 - Step 5: Solve for x
x = 11,902,777,951.25/125,380.40 - Step 6: Final answer
x = 94,933.32
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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.