Finding the Fourth Proportional to 132,955.38, 183,475.08 and 72,527.40
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Solution
The fourth proportional to 132,955.38, 183,475.08 and 72,527.40 is: 100,085.99
Step by Step Solution
- Step 1: Write the proportion equation
132,955.38 : 183,475.08 = 72,527.40 : x - Step 2: Convert to fraction form
132,955.38/183,475.08 = 72,527.40/x - Step 3: Cross multiply
132,955.38x = 183,475.08 × 72,527.40 - Step 4: Simplify right side
132,955.38x = 13,306,970,517.19 - Step 5: Solve for x
x = 13,306,970,517.19/132,955.38 - Step 6: Final answer
x = 100,085.99
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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.