Finding the Fourth Proportional to 121,532.99, 182,037.05 and 118,558.67
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Solution
The fourth proportional to 121,532.99, 182,037.05 and 118,558.67 is: 177,581.99
Step by Step Solution
- Step 1: Write the proportion equation
121,532.99 : 182,037.05 = 118,558.67 : x - Step 2: Convert to fraction form
121,532.99/182,037.05 = 118,558.67/x - Step 3: Cross multiply
121,532.99x = 182,037.05 × 118,558.67 - Step 4: Simplify right side
121,532.99x = 21,582,069,945.93 - Step 5: Solve for x
x = 21,582,069,945.93/121,532.99 - Step 6: Final answer
x = 177,581.99
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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.