Finding the Fourth Proportional to 121,366.81, 182,043.68 and 37,126.99
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Solution
The fourth proportional to 121,366.81, 182,043.68 and 37,126.99 is: 55,688.49
Step by Step Solution
- Step 1: Write the proportion equation
121,366.81 : 182,043.68 = 37,126.99 : x - Step 2: Convert to fraction form
121,366.81/182,043.68 = 37,126.99/x - Step 3: Cross multiply
121,366.81x = 182,043.68 × 37,126.99 - Step 4: Simplify right side
121,366.81x = 6,758,734,033.26 - Step 5: Solve for x
x = 6,758,734,033.26/121,366.81 - Step 6: Final answer
x = 55,688.49
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1.5x scale
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.