Finding the Fourth Proportional to 97,211.97, 134,190.14 and 75,998.07
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Solution
The fourth proportional to 97,211.97, 134,190.14 and 75,998.07 is: 104,906.74
Step by Step Solution
- Step 1: Write the proportion equation
97,211.97 : 134,190.14 = 75,998.07 : x - Step 2: Convert to fraction form
97,211.97/134,190.14 = 75,998.07/x - Step 3: Cross multiply
97,211.97x = 134,190.14 × 75,998.07 - Step 4: Simplify right side
97,211.97x = 10,198,191,273.04 - Step 5: Solve for x
x = 10,198,191,273.04/97,211.97 - Step 6: Final answer
x = 104,906.74
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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.