Finding the Fourth Proportional to 121,325.99, 181,989.42 and 37,085.81
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Solution
The fourth proportional to 121,325.99, 181,989.42 and 37,085.81 is: 55,628.84
Step by Step Solution
- Step 1: Write the proportion equation
121,325.99 : 181,989.42 = 37,085.81 : x - Step 2: Convert to fraction form
121,325.99/181,989.42 = 37,085.81/x - Step 3: Cross multiply
121,325.99x = 181,989.42 × 37,085.81 - Step 4: Simplify right side
121,325.99x = 6,749,224,142.18 - Step 5: Solve for x
x = 6,749,224,142.18/121,325.99 - Step 6: Final answer
x = 55,628.84
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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.