Finding the Fourth Proportional to 135,170.30, 186,527.48 and 74,737.31
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Solution
The fourth proportional to 135,170.30, 186,527.48 and 74,737.31 is: 103,133.32
Step by Step Solution
- Step 1: Write the proportion equation
135,170.30 : 186,527.48 = 74,737.31 : x - Step 2: Convert to fraction form
135,170.30/186,527.48 = 74,737.31/x - Step 3: Cross multiply
135,170.30x = 186,527.48 × 74,737.31 - Step 4: Simplify right side
135,170.30x = 13,940,560,789.95 - Step 5: Solve for x
x = 13,940,560,789.95/135,170.30 - Step 6: Final answer
x = 103,133.32
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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.