Finding the Fourth Proportional to 128,110.90, 192,241.23 and 92,537.14
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Solution
The fourth proportional to 128,110.90, 192,241.23 and 92,537.14 is: 138,859.80
Step by Step Solution
- Step 1: Write the proportion equation
128,110.90 : 192,241.23 = 92,537.14 : x - Step 2: Convert to fraction form
128,110.90/192,241.23 = 92,537.14/x - Step 3: Cross multiply
128,110.90x = 192,241.23 × 92,537.14 - Step 4: Simplify right side
128,110.90x = 17,789,453,614.28 - Step 5: Solve for x
x = 17,789,453,614.28/128,110.90 - Step 6: Final answer
x = 138,859.80
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1.5x scale
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.