Finding the Fourth Proportional to 131,840.21, 181,889.28 and 97,467.47
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Solution
The fourth proportional to 131,840.21, 181,889.28 and 97,467.47 is: 134,467.99
Step by Step Solution
- Step 1: Write the proportion equation
131,840.21 : 181,889.28 = 97,467.47 : x - Step 2: Convert to fraction form
131,840.21/181,889.28 = 97,467.47/x - Step 3: Cross multiply
131,840.21x = 181,889.28 × 97,467.47 - Step 4: Simplify right side
131,840.21x = 17,728,287,941.72 - Step 5: Solve for x
x = 17,728,287,941.72/131,840.21 - Step 6: Final answer
x = 134,467.99
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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.