Finding the Fourth Proportional to 107,986.37, 149,020.97 and 60,236.87
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Solution
The fourth proportional to 107,986.37, 149,020.97 and 60,236.87 is: 83,126.75
Step by Step Solution
- Step 1: Write the proportion equation
107,986.37 : 149,020.97 = 60,236.87 : x - Step 2: Convert to fraction form
107,986.37/149,020.97 = 60,236.87/x - Step 3: Cross multiply
107,986.37x = 149,020.97 × 60,236.87 - Step 4: Simplify right side
107,986.37x = 8,976,555,750.87 - Step 5: Solve for x
x = 8,976,555,750.87/107,986.37 - Step 6: Final answer
x = 83,126.75
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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.