Finding the Fourth Proportional to 129,750.88, 194,539.92 and 46,634.08
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Solution
The fourth proportional to 129,750.88, 194,539.92 and 46,634.08 is: 69,920.07
Step by Step Solution
- Step 1: Write the proportion equation
129,750.88 : 194,539.92 = 46,634.08 : x - Step 2: Convert to fraction form
129,750.88/194,539.92 = 46,634.08/x - Step 3: Cross multiply
129,750.88x = 194,539.92 × 46,634.08 - Step 4: Simplify right side
129,750.88x = 9,072,190,192.47 - Step 5: Solve for x
x = 9,072,190,192.47/129,750.88 - Step 6: Final answer
x = 69,920.07
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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.