Finding the Fourth Proportional to 114,363.14, 157,821.18 and 69,651.14
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Solution
The fourth proportional to 114,363.14, 157,821.18 and 69,651.14 is: 96,118.60
Step by Step Solution
- Step 1: Write the proportion equation
114,363.14 : 157,821.18 = 69,651.14 : x - Step 2: Convert to fraction form
114,363.14/157,821.18 = 69,651.14/x - Step 3: Cross multiply
114,363.14x = 157,821.18 × 69,651.14 - Step 4: Simplify right side
114,363.14x = 10,992,425,103.15 - Step 5: Solve for x
x = 10,992,425,103.15/114,363.14 - Step 6: Final answer
x = 96,118.60
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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.