Finding the Fourth Proportional to 147,937.68, 204,153.72 and 80,869.68
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Solution
The fourth proportional to 147,937.68, 204,153.72 and 80,869.68 is: 111,600.01
Step by Step Solution
- Step 1: Write the proportion equation
147,937.68 : 204,153.72 = 80,869.68 : x - Step 2: Convert to fraction form
147,937.68/204,153.72 = 80,869.68/x - Step 3: Cross multiply
147,937.68x = 204,153.72 × 80,869.68 - Step 4: Simplify right side
147,937.68x = 16,509,846,007.21 - Step 5: Solve for x
x = 16,509,846,007.21/147,937.68 - Step 6: Final answer
x = 111,600.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.