Finding the Fourth Proportional to 134,213.09, 185,193.99 and 76,843.35
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Solution
The fourth proportional to 134,213.09, 185,193.99 and 76,843.35 is: 106,032.33
Step by Step Solution
- Step 1: Write the proportion equation
134,213.09 : 185,193.99 = 76,843.35 : x - Step 2: Convert to fraction form
134,213.09/185,193.99 = 76,843.35/x - Step 3: Cross multiply
134,213.09x = 185,193.99 × 76,843.35 - Step 4: Simplify right side
134,213.09x = 14,230,926,591.47 - Step 5: Solve for x
x = 14,230,926,591.47/134,213.09 - Step 6: Final answer
x = 106,032.33
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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.