Finding the Fourth Proportional to 127,657.21, 176,163.77 and 70,296.08
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Solution
The fourth proportional to 127,657.21, 176,163.77 and 70,296.08 is: 97,006.84
Step by Step Solution
- Step 1: Write the proportion equation
127,657.21 : 176,163.77 = 70,296.08 : x - Step 2: Convert to fraction form
127,657.21/176,163.77 = 70,296.08/x - Step 3: Cross multiply
127,657.21x = 176,163.77 × 70,296.08 - Step 4: Simplify right side
127,657.21x = 12,383,622,117.54 - Step 5: Solve for x
x = 12,383,622,117.54/127,657.21 - Step 6: Final answer
x = 97,006.84
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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.