Finding the Fourth Proportional to 141,272.58, 194,956.23 and 77,614.48
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Solution
The fourth proportional to 141,272.58, 194,956.23 and 77,614.48 is: 107,108.02
Step by Step Solution
- Step 1: Write the proportion equation
141,272.58 : 194,956.23 = 77,614.48 : x - Step 2: Convert to fraction form
141,272.58/194,956.23 = 77,614.48/x - Step 3: Cross multiply
141,272.58x = 194,956.23 × 77,614.48 - Step 4: Simplify right side
141,272.58x = 15,131,426,217.87 - Step 5: Solve for x
x = 15,131,426,217.87/141,272.58 - Step 6: Final answer
x = 107,108.02
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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.