Finding the Fourth Proportional to 112,216.75, 154,862.36 and 61,918.99
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Solution
The fourth proportional to 112,216.75, 154,862.36 and 61,918.99 is: 85,450.00
Step by Step Solution
- Step 1: Write the proportion equation
112,216.75 : 154,862.36 = 61,918.99 : x - Step 2: Convert to fraction form
112,216.75/154,862.36 = 61,918.99/x - Step 3: Cross multiply
112,216.75x = 154,862.36 × 61,918.99 - Step 4: Simplify right side
112,216.75x = 9,588,920,920.22 - Step 5: Solve for x
x = 9,588,920,920.22/112,216.75 - Step 6: Final answer
x = 85,450.00
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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.