Finding the Fourth Proportional to 124,821.46, 172,252.74 and 68,232.97
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Solution
The fourth proportional to 124,821.46, 172,252.74 and 68,232.97 is: 94,161.02
Step by Step Solution
- Step 1: Write the proportion equation
124,821.46 : 172,252.74 = 68,232.97 : x - Step 2: Convert to fraction form
124,821.46/172,252.74 = 68,232.97/x - Step 3: Cross multiply
124,821.46x = 172,252.74 × 68,232.97 - Step 4: Simplify right side
124,821.46x = 11,753,316,040.84 - Step 5: Solve for x
x = 11,753,316,040.84/124,821.46 - Step 6: Final answer
x = 94,161.02
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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.