Finding the Fourth Proportional to 106,184.82, 159,135.69 and 39,557.88
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Solution
The fourth proportional to 106,184.82, 159,135.69 and 39,557.88 is: 59,284.09
Step by Step Solution
- Step 1: Write the proportion equation
106,184.82 : 159,135.69 = 39,557.88 : x - Step 2: Convert to fraction form
106,184.82/159,135.69 = 39,557.88/x - Step 3: Cross multiply
106,184.82x = 159,135.69 × 39,557.88 - Step 4: Simplify right side
106,184.82x = 6,295,070,528.74 - Step 5: Solve for x
x = 6,295,070,528.74/106,184.82 - Step 6: Final answer
x = 59,284.09
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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.