Finding the Fourth Proportional to 107,811.97, 161,539.18 and 65,564.26
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Solution
The fourth proportional to 107,811.97, 161,539.18 and 65,564.26 is: 98,237.67
Step by Step Solution
- Step 1: Write the proportion equation
107,811.97 : 161,539.18 = 65,564.26 : x - Step 2: Convert to fraction form
107,811.97/161,539.18 = 65,564.26/x - Step 3: Cross multiply
107,811.97x = 161,539.18 × 65,564.26 - Step 4: Simplify right side
107,811.97x = 10,591,196,229.95 - Step 5: Solve for x
x = 10,591,196,229.95/107,811.97 - Step 6: Final answer
x = 98,237.67
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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.