Finding the Fourth Proportional to 161,713.40, 223,164.99 and 97,183.80
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Solution
The fourth proportional to 161,713.40, 223,164.99 and 97,183.80 is: 134,113.95
Step by Step Solution
- Step 1: Write the proportion equation
161,713.40 : 223,164.99 = 97,183.80 : x - Step 2: Convert to fraction form
161,713.40/223,164.99 = 97,183.80/x - Step 3: Cross multiply
161,713.40x = 223,164.99 × 97,183.80 - Step 4: Simplify right side
161,713.40x = 21,688,021,755.16 - Step 5: Solve for x
x = 21,688,021,755.16/161,713.40 - Step 6: Final answer
x = 134,113.95
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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.