Finding the Fourth Proportional to 142,114.23, 213,172.26 and 97,606.05
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Solution
The fourth proportional to 142,114.23, 213,172.26 and 97,606.05 is: 146,409.70
Step by Step Solution
- Step 1: Write the proportion equation
142,114.23 : 213,172.26 = 97,606.05 : x - Step 2: Convert to fraction form
142,114.23/213,172.26 = 97,606.05/x - Step 3: Cross multiply
142,114.23x = 213,172.26 × 97,606.05 - Step 4: Simplify right side
142,114.23x = 20,806,902,268.17 - Step 5: Solve for x
x = 20,806,902,268.17/142,114.23 - Step 6: Final answer
x = 146,409.70
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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.