Finding the Fourth Proportional to 116,496.23, 160,609.96 and 76,140.62
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Solution
The fourth proportional to 116,496.23, 160,609.96 and 76,140.62 is: 104,972.84
Step by Step Solution
- Step 1: Write the proportion equation
116,496.23 : 160,609.96 = 76,140.62 : x - Step 2: Convert to fraction form
116,496.23/160,609.96 = 76,140.62/x - Step 3: Cross multiply
116,496.23x = 160,609.96 × 76,140.62 - Step 4: Simplify right side
116,496.23x = 12,228,940,939.17 - Step 5: Solve for x
x = 12,228,940,939.17/116,496.23 - Step 6: Final answer
x = 104,972.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.