Finding the Fourth Proportional to 146,737.80, 202,546.26 and 86,305.32
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Solution
The fourth proportional to 146,737.80, 202,546.26 and 86,305.32 is: 119,129.63
Step by Step Solution
- Step 1: Write the proportion equation
146,737.80 : 202,546.26 = 86,305.32 : x - Step 2: Convert to fraction form
146,737.80/202,546.26 = 86,305.32/x - Step 3: Cross multiply
146,737.80x = 202,546.26 × 86,305.32 - Step 4: Simplify right side
146,737.80x = 17,480,819,784.10 - Step 5: Solve for x
x = 17,480,819,784.10/146,737.80 - Step 6: Final answer
x = 119,129.63
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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.