Finding the Fourth Proportional to 106,805.25, 160,242.98 and 43,678.49
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Solution
The fourth proportional to 106,805.25, 160,242.98 and 43,678.49 is: 65,532.09
Step by Step Solution
- Step 1: Write the proportion equation
106,805.25 : 160,242.98 = 43,678.49 : x - Step 2: Convert to fraction form
106,805.25/160,242.98 = 43,678.49/x - Step 3: Cross multiply
106,805.25x = 160,242.98 × 43,678.49 - Step 4: Simplify right side
106,805.25x = 6,999,171,281.26 - Step 5: Solve for x
x = 6,999,171,281.26/106,805.25 - Step 6: Final answer
x = 65,532.09
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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.