Finding the Fourth Proportional to 125,359.44, 172,998.84 and 68,770.56
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Solution
The fourth proportional to 125,359.44, 172,998.84 and 68,770.56 is: 94,904.92
Step by Step Solution
- Step 1: Write the proportion equation
125,359.44 : 172,998.84 = 68,770.56 : x - Step 2: Convert to fraction form
125,359.44/172,998.84 = 68,770.56/x - Step 3: Cross multiply
125,359.44x = 172,998.84 × 68,770.56 - Step 4: Simplify right side
125,359.44x = 11,897,227,106.15 - Step 5: Solve for x
x = 11,897,227,106.15/125,359.44 - Step 6: Final answer
x = 94,904.92
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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.