Finding the Fourth Proportional to 136,183.96, 187,882.15 and 84,477.07
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Solution
The fourth proportional to 136,183.96, 187,882.15 and 84,477.07 is: 116,546.28
Step by Step Solution
- Step 1: Write the proportion equation
136,183.96 : 187,882.15 = 84,477.07 : x - Step 2: Convert to fraction form
136,183.96/187,882.15 = 84,477.07/x - Step 3: Cross multiply
136,183.96x = 187,882.15 × 84,477.07 - Step 4: Simplify right side
136,183.96x = 15,871,733,537.30 - Step 5: Solve for x
x = 15,871,733,537.30/136,183.96 - Step 6: Final answer
x = 116,546.28
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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.