Finding the Fourth Proportional to 121,409.68, 182,141.58 and 37,181.68
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Solution
The fourth proportional to 121,409.68, 182,141.58 and 37,181.68 is: 55,780.81
Step by Step Solution
- Step 1: Write the proportion equation
121,409.68 : 182,141.58 = 37,181.68 : x - Step 2: Convert to fraction form
121,409.68/182,141.58 = 37,181.68/x - Step 3: Cross multiply
121,409.68x = 182,141.58 × 37,181.68 - Step 4: Simplify right side
121,409.68x = 6,772,329,942.25 - Step 5: Solve for x
x = 6,772,329,942.25/121,409.68 - Step 6: Final answer
x = 55,780.81
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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.