Finding the Fourth Proportional to 135,313.34, 186,609.07 and 116,187.12
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Solution
The fourth proportional to 135,313.34, 186,609.07 and 116,187.12 is: 160,232.32
Step by Step Solution
- Step 1: Write the proportion equation
135,313.34 : 186,609.07 = 116,187.12 : x - Step 2: Convert to fraction form
135,313.34/186,609.07 = 116,187.12/x - Step 3: Cross multiply
135,313.34x = 186,609.07 × 116,187.12 - Step 4: Simplify right side
135,313.34x = 21,681,570,409.18 - Step 5: Solve for x
x = 21,681,570,409.18/135,313.34 - Step 6: Final answer
x = 160,232.32
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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.