Finding the Fourth Proportional to 114,717.54, 158,320.92 and 69,406.68
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Solution
The fourth proportional to 114,717.54, 158,320.92 and 69,406.68 is: 95,787.70
Step by Step Solution
- Step 1: Write the proportion equation
114,717.54 : 158,320.92 = 69,406.68 : x - Step 2: Convert to fraction form
114,717.54/158,320.92 = 69,406.68/x - Step 3: Cross multiply
114,717.54x = 158,320.92 × 69,406.68 - Step 4: Simplify right side
114,717.54x = 10,988,529,431.75 - Step 5: Solve for x
x = 10,988,529,431.75/114,717.54 - Step 6: Final answer
x = 95,787.70
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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.