Finding the Fourth Proportional to 114,120.99, 157,480.08 and 68,813.64
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Solution
The fourth proportional to 114,120.99, 157,480.08 and 68,813.64 is: 94,958.67
Step by Step Solution
- Step 1: Write the proportion equation
114,120.99 : 157,480.08 = 68,813.64 : x - Step 2: Convert to fraction form
114,120.99/157,480.08 = 68,813.64/x - Step 3: Cross multiply
114,120.99x = 157,480.08 × 68,813.64 - Step 4: Simplify right side
114,120.99x = 10,836,777,532.29 - Step 5: Solve for x
x = 10,836,777,532.29/114,120.99 - Step 6: Final answer
x = 94,958.67
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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.