Finding the Fourth Proportional to 141,458.45, 212,055.84 and 97,106.09
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Solution
The fourth proportional to 141,458.45, 212,055.84 and 97,106.09 is: 145,568.63
Step by Step Solution
- Step 1: Write the proportion equation
141,458.45 : 212,055.84 = 97,106.09 : x - Step 2: Convert to fraction form
141,458.45/212,055.84 = 97,106.09/x - Step 3: Cross multiply
141,458.45x = 212,055.84 × 97,106.09 - Step 4: Simplify right side
141,458.45x = 20,591,912,423.79 - Step 5: Solve for x
x = 20,591,912,423.79/141,458.45 - Step 6: Final answer
x = 145,568.63
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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.