Finding the Fourth Proportional to 107,907.70, 161,812.95 and 41,325.70
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Solution
The fourth proportional to 107,907.70, 161,812.95 and 41,325.70 is: 61,969.94
Step by Step Solution
- Step 1: Write the proportion equation
107,907.70 : 161,812.95 = 41,325.70 : x - Step 2: Convert to fraction form
107,907.70/161,812.95 = 41,325.70/x - Step 3: Cross multiply
107,907.70x = 161,812.95 × 41,325.70 - Step 4: Simplify right side
107,907.70x = 6,687,033,427.82 - Step 5: Solve for x
x = 6,687,033,427.82/107,907.70 - Step 6: Final answer
x = 61,969.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.