Finding the Fourth Proportional to 100,906.44, 138,242.50 and 97,122.92
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Solution
The fourth proportional to 100,906.44, 138,242.50 and 97,122.92 is: 133,059.05
Step by Step Solution
- Step 1: Write the proportion equation
100,906.44 : 138,242.50 = 97,122.92 : x - Step 2: Convert to fraction form
100,906.44/138,242.50 = 97,122.92/x - Step 3: Cross multiply
100,906.44x = 138,242.50 × 97,122.92 - Step 4: Simplify right side
100,906.44x = 13,426,515,268.10 - Step 5: Solve for x
x = 13,426,515,268.10/100,906.44 - Step 6: Final answer
x = 133,059.05
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.