Finding the Fourth Proportional to 132,567.24, 182,939.11 and 72,136.48
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Solution
The fourth proportional to 132,567.24, 182,939.11 and 72,136.48 is: 99,546.34
Step by Step Solution
- Step 1: Write the proportion equation
132,567.24 : 182,939.11 = 72,136.48 : x - Step 2: Convert to fraction form
132,567.24/182,939.11 = 72,136.48/x - Step 3: Cross multiply
132,567.24x = 182,939.11 × 72,136.48 - Step 4: Simplify right side
132,567.24x = 13,196,583,449.73 - Step 5: Solve for x
x = 13,196,583,449.73/132,567.24 - Step 6: Final answer
x = 99,546.34
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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.