Finding the Fourth Proportional to 125,425.16, 173,086.58 and 68,836.68
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Solution
The fourth proportional to 125,425.16, 173,086.58 and 68,836.68 is: 94,994.54
Step by Step Solution
- Step 1: Write the proportion equation
125,425.16 : 173,086.58 = 68,836.68 : x - Step 2: Convert to fraction form
125,425.16/173,086.58 = 68,836.68/x - Step 3: Cross multiply
125,425.16x = 173,086.58 × 68,836.68 - Step 4: Simplify right side
125,425.16x = 11,914,705,519.75 - Step 5: Solve for x
x = 11,914,705,519.75/125,425.16 - Step 6: Final answer
x = 94,994.54
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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.