Finding the Fourth Proportional to 132,371.19, 182,673.41 and 71,941.82
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Solution
The fourth proportional to 132,371.19, 182,673.41 and 71,941.82 is: 99,280.34
Step by Step Solution
- Step 1: Write the proportion equation
132,371.19 : 182,673.41 = 71,941.82 : x - Step 2: Convert to fraction form
132,371.19/182,673.41 = 71,941.82/x - Step 3: Cross multiply
132,371.19x = 182,673.41 × 71,941.82 - Step 4: Simplify right side
132,371.19x = 13,141,856,307.93 - Step 5: Solve for x
x = 13,141,856,307.93/132,371.19 - Step 6: Final answer
x = 99,280.34
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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.