Finding the Fourth Proportional to 126,064.80, 173,967.06 and 68,704.58
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Solution
The fourth proportional to 126,064.80, 173,967.06 and 68,704.58 is: 94,811.03
Step by Step Solution
- Step 1: Write the proportion equation
126,064.80 : 173,967.06 = 68,704.58 : x - Step 2: Convert to fraction form
126,064.80/173,967.06 = 68,704.58/x - Step 3: Cross multiply
126,064.80x = 173,967.06 × 68,704.58 - Step 4: Simplify right side
126,064.80x = 11,952,333,791.13 - Step 5: Solve for x
x = 11,952,333,791.13/126,064.80 - Step 6: Final answer
x = 94,811.03
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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.