Finding the Fourth Proportional to 125,456.18, 173,128.79 and 68,096.63
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Solution
The fourth proportional to 125,456.18, 173,128.79 and 68,096.63 is: 93,972.96
Step by Step Solution
- Step 1: Write the proportion equation
125,456.18 : 173,128.79 = 68,096.63 : x - Step 2: Convert to fraction form
125,456.18/173,128.79 = 68,096.63/x - Step 3: Cross multiply
125,456.18x = 173,128.79 × 68,096.63 - Step 4: Simplify right side
125,456.18x = 11,789,487,758.04 - Step 5: Solve for x
x = 11,789,487,758.04/125,456.18 - Step 6: Final answer
x = 93,972.96
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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.