Finding the Fourth Proportional to 117,517.14, 162,173.99 and 63,802.40
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Solution
The fourth proportional to 117,517.14, 162,173.99 and 63,802.40 is: 88,047.49
Step by Step Solution
- Step 1: Write the proportion equation
117,517.14 : 162,173.99 = 63,802.40 : x - Step 2: Convert to fraction form
117,517.14/162,173.99 = 63,802.40/x - Step 3: Cross multiply
117,517.14x = 162,173.99 × 63,802.40 - Step 4: Simplify right side
117,517.14x = 10,347,089,128.21 - Step 5: Solve for x
x = 10,347,089,128.21/117,517.14 - Step 6: Final answer
x = 88,047.49
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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.