Finding the Fourth Proportional to 132,938.75, 183,455.49 and 73,322.75
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Solution
The fourth proportional to 132,938.75, 183,455.49 and 73,322.75 is: 101,185.40
Step by Step Solution
- Step 1: Write the proportion equation
132,938.75 : 183,455.49 = 73,322.75 : x - Step 2: Convert to fraction form
132,938.75/183,455.49 = 73,322.75/x - Step 3: Cross multiply
132,938.75x = 183,455.49 × 73,322.75 - Step 4: Simplify right side
132,938.75x = 13,451,461,029.40 - Step 5: Solve for x
x = 13,451,461,029.40/132,938.75 - Step 6: Final answer
x = 101,185.40
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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.