Finding the Fourth Proportional to 146,517.42, 202,125.84 and 86,068.74
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Solution
The fourth proportional to 146,517.42, 202,125.84 and 86,068.74 is: 118,734.80
Step by Step Solution
- Step 1: Write the proportion equation
146,517.42 : 202,125.84 = 86,068.74 : x - Step 2: Convert to fraction form
146,517.42/202,125.84 = 86,068.74/x - Step 3: Cross multiply
146,517.42x = 202,125.84 × 86,068.74 - Step 4: Simplify right side
146,517.42x = 17,396,716,370.24 - Step 5: Solve for x
x = 17,396,716,370.24/146,517.42 - Step 6: Final answer
x = 118,734.80
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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.