Finding the Fourth Proportional to 146,465.94, 202,121.18 and 86,042.09
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Solution
The fourth proportional to 146,465.94, 202,121.18 and 86,042.09 is: 118,737.02
Step by Step Solution
- Step 1: Write the proportion equation
146,465.94 : 202,121.18 = 86,042.09 : x - Step 2: Convert to fraction form
146,465.94/202,121.18 = 86,042.09/x - Step 3: Cross multiply
146,465.94x = 202,121.18 × 86,042.09 - Step 4: Simplify right side
146,465.94x = 17,390,928,760.47 - Step 5: Solve for x
x = 17,390,928,760.47/146,465.94 - Step 6: Final answer
x = 118,737.02
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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.