Finding the Fourth Proportional to 113,797.24, 157,068.30 and 69,122.68
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Solution
The fourth proportional to 113,797.24, 157,068.30 and 69,122.68 is: 95,406.37
Step by Step Solution
- Step 1: Write the proportion equation
113,797.24 : 157,068.30 = 69,122.68 : x - Step 2: Convert to fraction form
113,797.24/157,068.30 = 69,122.68/x - Step 3: Cross multiply
113,797.24x = 157,068.30 × 69,122.68 - Step 4: Simplify right side
113,797.24x = 10,856,981,839.04 - Step 5: Solve for x
x = 10,856,981,839.04/113,797.24 - Step 6: Final answer
x = 95,406.37
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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.