Finding the Fourth Proportional to 127,657.96, 176,166.50 and 70,296.09
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Solution
The fourth proportional to 127,657.96, 176,166.50 and 70,296.09 is: 97,007.79
Step by Step Solution
- Step 1: Write the proportion equation
127,657.96 : 176,166.50 = 70,296.09 : x - Step 2: Convert to fraction form
127,657.96/176,166.50 = 70,296.09/x - Step 3: Cross multiply
127,657.96x = 176,166.50 × 70,296.09 - Step 4: Simplify right side
127,657.96x = 12,383,816,138.99 - Step 5: Solve for x
x = 12,383,816,138.99/127,657.96 - Step 6: Final answer
x = 97,007.79
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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.