Finding the Fourth Proportional to 126,916.80, 190,375.62 and 32,146.95
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Solution
The fourth proportional to 126,916.80, 190,375.62 and 32,146.95 is: 48,220.53
Step by Step Solution
- Step 1: Write the proportion equation
126,916.80 : 190,375.62 = 32,146.95 : x - Step 2: Convert to fraction form
126,916.80/190,375.62 = 32,146.95/x - Step 3: Cross multiply
126,916.80x = 190,375.62 × 32,146.95 - Step 4: Simplify right side
126,916.80x = 6,119,995,537.36 - Step 5: Solve for x
x = 6,119,995,537.36/126,916.80 - Step 6: Final answer
x = 48,220.53
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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.