Finding the Fourth Proportional to 107,442.09, 161,107.44 and 56,868.53
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Solution
The fourth proportional to 107,442.09, 161,107.44 and 56,868.53 is: 85,273.32
Step by Step Solution
- Step 1: Write the proportion equation
107,442.09 : 161,107.44 = 56,868.53 : x - Step 2: Convert to fraction form
107,442.09/161,107.44 = 56,868.53/x - Step 3: Cross multiply
107,442.09x = 161,107.44 × 56,868.53 - Step 4: Simplify right side
107,442.09x = 9,161,943,284.86 - Step 5: Solve for x
x = 9,161,943,284.86/107,442.09 - Step 6: Final answer
x = 85,273.32
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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.