Finding the Fourth Proportional to 107,468.64, 161,181.97 and 102,134.32
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Solution
The fourth proportional to 107,468.64, 161,181.97 and 102,134.32 is: 153,181.53
Step by Step Solution
- Step 1: Write the proportion equation
107,468.64 : 161,181.97 = 102,134.32 : x - Step 2: Convert to fraction form
107,468.64/161,181.97 = 102,134.32/x - Step 3: Cross multiply
107,468.64x = 161,181.97 × 102,134.32 - Step 4: Simplify right side
107,468.64x = 16,462,210,243.92 - Step 5: Solve for x
x = 16,462,210,243.92/107,468.64 - Step 6: Final answer
x = 153,181.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.