Finding the Fourth Proportional to 131,587.14, 181,583.30 and 74,224.82
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Solution
The fourth proportional to 131,587.14, 181,583.30 and 74,224.82 is: 102,426.33
Step by Step Solution
- Step 1: Write the proportion equation
131,587.14 : 181,583.30 = 74,224.82 : x - Step 2: Convert to fraction form
131,587.14/181,583.30 = 74,224.82/x - Step 3: Cross multiply
131,587.14x = 181,583.30 × 74,224.82 - Step 4: Simplify right side
131,587.14x = 13,477,987,757.51 - Step 5: Solve for x
x = 13,477,987,757.51/131,587.14 - Step 6: Final answer
x = 102,426.33
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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.