Finding the Fourth Proportional to 181,193.76, 250,038.99 and 100,626.42
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Solution
The fourth proportional to 181,193.76, 250,038.99 and 100,626.42 is: 138,859.80
Step by Step Solution
- Step 1: Write the proportion equation
181,193.76 : 250,038.99 = 100,626.42 : x - Step 2: Convert to fraction form
181,193.76/250,038.99 = 100,626.42/x - Step 3: Cross multiply
181,193.76x = 250,038.99 × 100,626.42 - Step 4: Simplify right side
181,193.76x = 25,160,528,424.12 - Step 5: Solve for x
x = 25,160,528,424.12/181,193.76 - Step 6: Final answer
x = 138,859.80
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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.