Finding the Fourth Proportional to 106,968.25, 160,451.97 and 43,817.68
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Solution
The fourth proportional to 106,968.25, 160,451.97 and 43,817.68 is: 65,726.35
Step by Step Solution
- Step 1: Write the proportion equation
106,968.25 : 160,451.97 = 43,817.68 : x - Step 2: Convert to fraction form
106,968.25/160,451.97 = 43,817.68/x - Step 3: Cross multiply
106,968.25x = 160,451.97 × 43,817.68 - Step 4: Simplify right side
106,968.25x = 7,030,633,076.83 - Step 5: Solve for x
x = 7,030,633,076.83/106,968.25 - Step 6: Final answer
x = 65,726.35
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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.