Finding the Fourth Proportional to 141,106.63, 211,724.75 and 61,168.99
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Solution
The fourth proportional to 141,106.63, 211,724.75 and 61,168.99 is: 91,781.58
Step by Step Solution
- Step 1: Write the proportion equation
141,106.63 : 211,724.75 = 61,168.99 : x - Step 2: Convert to fraction form
141,106.63/211,724.75 = 61,168.99/x - Step 3: Cross multiply
141,106.63x = 211,724.75 × 61,168.99 - Step 4: Simplify right side
141,106.63x = 12,950,989,115.50 - Step 5: Solve for x
x = 12,950,989,115.50/141,106.63 - Step 6: Final answer
x = 91,781.58
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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.