Finding the Fourth Proportional to 112,844.70, 155,684.50 and 67,523.99
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Solution
The fourth proportional to 112,844.70, 155,684.50 and 67,523.99 is: 93,158.45
Step by Step Solution
- Step 1: Write the proportion equation
112,844.70 : 155,684.50 = 67,523.99 : x - Step 2: Convert to fraction form
112,844.70/155,684.50 = 67,523.99/x - Step 3: Cross multiply
112,844.70x = 155,684.50 × 67,523.99 - Step 4: Simplify right side
112,844.70x = 10,512,437,673.92 - Step 5: Solve for x
x = 10,512,437,673.92/112,844.70 - Step 6: Final answer
x = 93,158.45
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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.