Finding the Fourth Proportional to 125,486.76, 173,172.12 and 68,901.84
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Solution
The fourth proportional to 125,486.76, 173,172.12 and 68,901.84 is: 95,084.75
Step by Step Solution
- Step 1: Write the proportion equation
125,486.76 : 173,172.12 = 68,901.84 : x - Step 2: Convert to fraction form
125,486.76/173,172.12 = 68,901.84/x - Step 3: Cross multiply
125,486.76x = 173,172.12 × 68,901.84 - Step 4: Simplify right side
125,486.76x = 11,931,877,704.70 - Step 5: Solve for x
x = 11,931,877,704.70/125,486.76 - Step 6: Final answer
x = 95,084.75
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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.