Finding the Fourth Proportional to 131,474.91, 181,452.84 and 74,125.08
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Solution
The fourth proportional to 131,474.91, 181,452.84 and 74,125.08 is: 102,302.46
Step by Step Solution
- Step 1: Write the proportion equation
131,474.91 : 181,452.84 = 74,125.08 : x - Step 2: Convert to fraction form
131,474.91/181,452.84 = 74,125.08/x - Step 3: Cross multiply
131,474.91x = 181,452.84 × 74,125.08 - Step 4: Simplify right side
131,474.91x = 13,450,206,281.23 - Step 5: Solve for x
x = 13,450,206,281.23/131,474.91 - Step 6: Final answer
x = 102,302.46
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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.