Finding the Fourth Proportional to 107,968.14, 148,996.26 and 60,220.26
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Solution
The fourth proportional to 107,968.14, 148,996.26 and 60,220.26 is: 83,104.09
Step by Step Solution
- Step 1: Write the proportion equation
107,968.14 : 148,996.26 = 60,220.26 : x - Step 2: Convert to fraction form
107,968.14/148,996.26 = 60,220.26/x - Step 3: Cross multiply
107,968.14x = 148,996.26 × 60,220.26 - Step 4: Simplify right side
107,968.14x = 8,972,593,516.23 - Step 5: Solve for x
x = 8,972,593,516.23/107,968.14 - Step 6: Final answer
x = 83,104.09
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1.5x scale
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.