Finding the Fourth Proportional to 132,596.24, 182,986.70 and 72,170.79
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Solution
The fourth proportional to 132,596.24, 182,986.70 and 72,170.79 is: 99,597.81
Step by Step Solution
- Step 1: Write the proportion equation
132,596.24 : 182,986.70 = 72,170.79 : x - Step 2: Convert to fraction form
132,596.24/182,986.70 = 72,170.79/x - Step 3: Cross multiply
132,596.24x = 182,986.70 × 72,170.79 - Step 4: Simplify right side
132,596.24x = 13,206,294,337.64 - Step 5: Solve for x
x = 13,206,294,337.64/132,596.24 - Step 6: Final answer
x = 99,597.81
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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.