Finding the Fourth Proportional to 135,291.26, 186,689.22 and 91,594.92
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Solution
The fourth proportional to 135,291.26, 186,689.22 and 91,594.92 is: 126,392.38
Step by Step Solution
- Step 1: Write the proportion equation
135,291.26 : 186,689.22 = 91,594.92 : x - Step 2: Convert to fraction form
135,291.26/186,689.22 = 91,594.92/x - Step 3: Cross multiply
135,291.26x = 186,689.22 × 91,594.92 - Step 4: Simplify right side
135,291.26x = 17,099,784,170.76 - Step 5: Solve for x
x = 17,099,784,170.76/135,291.26 - Step 6: Final answer
x = 126,392.38
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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.