Finding the Fourth Proportional to 140,102.41, 193,382.49 and 79,706.80
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Solution
The fourth proportional to 140,102.41, 193,382.49 and 79,706.80 is: 110,018.80
Step by Step Solution
- Step 1: Write the proportion equation
140,102.41 : 193,382.49 = 79,706.80 : x - Step 2: Convert to fraction form
140,102.41/193,382.49 = 79,706.80/x - Step 3: Cross multiply
140,102.41x = 193,382.49 × 79,706.80 - Step 4: Simplify right side
140,102.41x = 15,413,899,453.93 - Step 5: Solve for x
x = 15,413,899,453.93/140,102.41 - Step 6: Final answer
x = 110,018.80
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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.