Finding the Fourth Proportional to 127,201.21, 175,530.80 and 70,608.94
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Solution
The fourth proportional to 127,201.21, 175,530.80 and 70,608.94 is: 97,436.52
Step by Step Solution
- Step 1: Write the proportion equation
127,201.21 : 175,530.80 = 70,608.94 : x - Step 2: Convert to fraction form
127,201.21/175,530.80 = 70,608.94/x - Step 3: Cross multiply
127,201.21x = 175,530.80 × 70,608.94 - Step 4: Simplify right side
127,201.21x = 12,394,043,463.05 - Step 5: Solve for x
x = 12,394,043,463.05/127,201.21 - Step 6: Final answer
x = 97,436.52
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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.