Finding the Fourth Proportional to 181,122.85, 249,936.98 and 100,544.05
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Solution
The fourth proportional to 181,122.85, 249,936.98 and 100,544.05 is: 138,743.82
Step by Step Solution
- Step 1: Write the proportion equation
181,122.85 : 249,936.98 = 100,544.05 : x - Step 2: Convert to fraction form
181,122.85/249,936.98 = 100,544.05/x - Step 3: Cross multiply
181,122.85x = 249,936.98 × 100,544.05 - Step 4: Simplify right side
181,122.85x = 25,129,676,213.97 - Step 5: Solve for x
x = 25,129,676,213.97/181,122.85 - Step 6: Final answer
x = 138,743.82
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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.