Finding the Fourth Proportional to 140,193.41, 193,464.36 and 79,762.73
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Solution
The fourth proportional to 140,193.41, 193,464.36 and 79,762.73 is: 110,071.12
Step by Step Solution
- Step 1: Write the proportion equation
140,193.41 : 193,464.36 = 79,762.73 : x - Step 2: Convert to fraction form
140,193.41/193,464.36 = 79,762.73/x - Step 3: Cross multiply
140,193.41x = 193,464.36 × 79,762.73 - Step 4: Simplify right side
140,193.41x = 15,431,244,543.98 - Step 5: Solve for x
x = 15,431,244,543.98/140,193.41 - Step 6: Final answer
x = 110,071.12
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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.