Finding the Fourth Proportional to 106,682.67, 160,347.96 and 71,269.65
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Solution
The fourth proportional to 106,682.67, 160,347.96 and 71,269.65 is: 107,120.89
Step by Step Solution
- Step 1: Write the proportion equation
106,682.67 : 160,347.96 = 71,269.65 : x - Step 2: Convert to fraction form
106,682.67/160,347.96 = 71,269.65/x - Step 3: Cross multiply
106,682.67x = 160,347.96 × 71,269.65 - Step 4: Simplify right side
106,682.67x = 11,427,942,987.41 - Step 5: Solve for x
x = 11,427,942,987.41/106,682.67 - Step 6: Final answer
x = 107,120.89
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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.