Finding the Fourth Proportional to 125,376.60, 173,020.14 and 68,788.92
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Solution
The fourth proportional to 125,376.60, 173,020.14 and 68,788.92 is: 94,928.95
Step by Step Solution
- Step 1: Write the proportion equation
125,376.60 : 173,020.14 = 68,788.92 : x - Step 2: Convert to fraction form
125,376.60/173,020.14 = 68,788.92/x - Step 3: Cross multiply
125,376.60x = 173,020.14 × 68,788.92 - Step 4: Simplify right side
125,376.60x = 11,901,868,568.85 - Step 5: Solve for x
x = 11,901,868,568.85/125,376.60 - Step 6: Final answer
x = 94,928.95
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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.