Finding the Fourth Proportional to 132,866.26, 183,251.76 and 85,124.08
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Solution
The fourth proportional to 132,866.26, 183,251.76 and 85,124.08 is: 117,404.81
Step by Step Solution
- Step 1: Write the proportion equation
132,866.26 : 183,251.76 = 85,124.08 : x - Step 2: Convert to fraction form
132,866.26/183,251.76 = 85,124.08/x - Step 3: Cross multiply
132,866.26x = 183,251.76 × 85,124.08 - Step 4: Simplify right side
132,866.26x = 15,599,137,478.38 - Step 5: Solve for x
x = 15,599,137,478.38/132,866.26 - Step 6: Final answer
x = 117,404.81
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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.