Finding the Fourth Proportional to 110,801.68, 166,163.64 and 31,894.80
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Solution
The fourth proportional to 110,801.68, 166,163.64 and 31,894.80 is: 47,831.01
Step by Step Solution
- Step 1: Write the proportion equation
110,801.68 : 166,163.64 = 31,894.80 : x - Step 2: Convert to fraction form
110,801.68/166,163.64 = 31,894.80/x - Step 3: Cross multiply
110,801.68x = 166,163.64 × 31,894.80 - Step 4: Simplify right side
110,801.68x = 5,299,756,065.07 - Step 5: Solve for x
x = 5,299,756,065.07/110,801.68 - Step 6: Final answer
x = 47,831.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.