Finding the Fourth Proportional to 107,418.80, 160,933.80 and 91,866.80
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Solution
The fourth proportional to 107,418.80, 160,933.80 and 91,866.80 is: 137,633.95
Step by Step Solution
- Step 1: Write the proportion equation
107,418.80 : 160,933.80 = 91,866.80 : x - Step 2: Convert to fraction form
107,418.80/160,933.80 = 91,866.80/x - Step 3: Cross multiply
107,418.80x = 160,933.80 × 91,866.80 - Step 4: Simplify right side
107,418.80x = 14,784,473,217.84 - Step 5: Solve for x
x = 14,784,473,217.84/107,418.80 - Step 6: Final answer
x = 137,633.95
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1.5x scale
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.