Finding the Fourth Proportional to 125,486.94, 173,172.26 and 68,901.96
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Solution
The fourth proportional to 125,486.94, 173,172.26 and 68,901.96 is: 95,084.86
Step by Step Solution
- Step 1: Write the proportion equation
125,486.94 : 173,172.26 = 68,901.96 : x - Step 2: Convert to fraction form
125,486.94/173,172.26 = 68,901.96/x - Step 3: Cross multiply
125,486.94x = 173,172.26 × 68,901.96 - Step 4: Simplify right side
125,486.94x = 11,931,908,131.63 - Step 5: Solve for x
x = 11,931,908,131.63/125,486.94 - Step 6: Final answer
x = 95,084.86
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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.