Finding the Fourth Proportional to 104,230.75, 143,851.19 and 67,970.99
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Solution
The fourth proportional to 104,230.75, 143,851.19 and 67,970.99 is: 93,808.28
Step by Step Solution
- Step 1: Write the proportion equation
104,230.75 : 143,851.19 = 67,970.99 : x - Step 2: Convert to fraction form
104,230.75/143,851.19 = 67,970.99/x - Step 3: Cross multiply
104,230.75x = 143,851.19 × 67,970.99 - Step 4: Simplify right side
104,230.75x = 9,777,707,796.98 - Step 5: Solve for x
x = 9,777,707,796.98/104,230.75 - Step 6: Final answer
x = 93,808.28
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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.