Finding the Fourth Proportional to 147,936.68, 204,152.34 and 80,868.68
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Solution
The fourth proportional to 147,936.68, 204,152.34 and 80,868.68 is: 111,598.63
Step by Step Solution
- Step 1: Write the proportion equation
147,936.68 : 204,152.34 = 80,868.68 : x - Step 2: Convert to fraction form
147,936.68/204,152.34 = 80,868.68/x - Step 3: Cross multiply
147,936.68x = 204,152.34 × 80,868.68 - Step 4: Simplify right side
147,936.68x = 16,509,530,254.71 - Step 5: Solve for x
x = 16,509,530,254.71/147,936.68 - Step 6: Final answer
x = 111,598.63
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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.