Finding the Fourth Proportional to 107,164.09, 160,754.87 and 53,828.62
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Solution
The fourth proportional to 107,164.09, 160,754.87 and 53,828.62 is: 80,747.32
Step by Step Solution
- Step 1: Write the proportion equation
107,164.09 : 160,754.87 = 53,828.62 : x - Step 2: Convert to fraction form
107,164.09/160,754.87 = 53,828.62/x - Step 3: Cross multiply
107,164.09x = 160,754.87 × 53,828.62 - Step 4: Simplify right side
107,164.09x = 8,653,212,810.38 - Step 5: Solve for x
x = 8,653,212,810.38/107,164.09 - Step 6: Final answer
x = 80,747.32
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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.