Finding the Fourth Proportional to 124,875.66, 172,328.97 and 68,286.96
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Solution
The fourth proportional to 124,875.66, 172,328.97 and 68,286.96 is: 94,236.31
Step by Step Solution
- Step 1: Write the proportion equation
124,875.66 : 172,328.97 = 68,286.96 : x - Step 2: Convert to fraction form
124,875.66/172,328.97 = 68,286.96/x - Step 3: Cross multiply
124,875.66x = 172,328.97 × 68,286.96 - Step 4: Simplify right side
124,875.66x = 11,767,821,481.23 - Step 5: Solve for x
x = 11,767,821,481.23/124,875.66 - Step 6: Final answer
x = 94,236.31
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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.