Finding the Fourth Proportional to 125,167.68, 172,728.72 and 68,577.84
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Solution
The fourth proportional to 125,167.68, 172,728.72 and 68,577.84 is: 94,635.95
Step by Step Solution
- Step 1: Write the proportion equation
125,167.68 : 172,728.72 = 68,577.84 : x - Step 2: Convert to fraction form
125,167.68/172,728.72 = 68,577.84/x - Step 3: Cross multiply
125,167.68x = 172,728.72 × 68,577.84 - Step 4: Simplify right side
125,167.68x = 11,845,362,523.56 - Step 5: Solve for x
x = 11,845,362,523.56/125,167.68 - Step 6: Final answer
x = 94,635.95
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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.