Finding the Fourth Proportional to 169,616.81, 234,060.71 and 93,135.60
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Solution
The fourth proportional to 169,616.81, 234,060.71 and 93,135.60 is: 128,521.37
Step by Step Solution
- Step 1: Write the proportion equation
169,616.81 : 234,060.71 = 93,135.60 : x - Step 2: Convert to fraction form
169,616.81/234,060.71 = 93,135.60/x - Step 3: Cross multiply
169,616.81x = 234,060.71 × 93,135.60 - Step 4: Simplify right side
169,616.81x = 21,799,384,324.13 - Step 5: Solve for x
x = 21,799,384,324.13/169,616.81 - Step 6: Final answer
x = 128,521.37
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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.