Finding the Fourth Proportional to 141,108.63, 211,727.76 and 61,170.99
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Solution
The fourth proportional to 141,108.63, 211,727.76 and 61,170.99 is: 91,784.58
Step by Step Solution
- Step 1: Write the proportion equation
141,108.63 : 211,727.76 = 61,170.99 : x - Step 2: Convert to fraction form
141,108.63/211,727.76 = 61,170.99/x - Step 3: Cross multiply
141,108.63x = 211,727.76 × 61,170.99 - Step 4: Simplify right side
141,108.63x = 12,951,596,689.68 - Step 5: Solve for x
x = 12,951,596,689.68/141,108.63 - Step 6: Final answer
x = 91,784.58
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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.