Finding the Fourth Proportional to 124,840.44, 172,266.30 and 73,855.08
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Solution
The fourth proportional to 124,840.44, 172,266.30 and 73,855.08 is: 101,912.02
Step by Step Solution
- Step 1: Write the proportion equation
124,840.44 : 172,266.30 = 73,855.08 : x - Step 2: Convert to fraction form
124,840.44/172,266.30 = 73,855.08/x - Step 3: Cross multiply
124,840.44x = 172,266.30 × 73,855.08 - Step 4: Simplify right side
124,840.44x = 12,722,741,367.80 - Step 5: Solve for x
x = 12,722,741,367.80/124,840.44 - Step 6: Final answer
x = 101,912.02
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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.