Finding the Fourth Proportional to 132,928.26, 183,435.92 and 73,312.26
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Solution
The fourth proportional to 132,928.26, 183,435.92 and 73,312.26 is: 101,168.12
Step by Step Solution
- Step 1: Write the proportion equation
132,928.26 : 183,435.92 = 73,312.26 : x - Step 2: Convert to fraction form
132,928.26/183,435.92 = 73,312.26/x - Step 3: Cross multiply
132,928.26x = 183,435.92 × 73,312.26 - Step 4: Simplify right side
132,928.26x = 13,448,101,860.38 - Step 5: Solve for x
x = 13,448,101,860.38/132,928.26 - Step 6: Final answer
x = 101,168.12
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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.