Finding the Fourth Proportional to 163,371.09, 225,425.64 and 102,110.05
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Solution
The fourth proportional to 163,371.09, 225,425.64 and 102,110.05 is: 140,895.33
Step by Step Solution
- Step 1: Write the proportion equation
163,371.09 : 225,425.64 = 102,110.05 : x - Step 2: Convert to fraction form
163,371.09/225,425.64 = 102,110.05/x - Step 3: Cross multiply
163,371.09x = 225,425.64 × 102,110.05 - Step 4: Simplify right side
163,371.09x = 23,018,223,371.68 - Step 5: Solve for x
x = 23,018,223,371.68/163,371.09 - Step 6: Final answer
x = 140,895.33
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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.