Finding the Fourth Proportional to 141,054.09, 211,518.69 and 66,113.70
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Solution
The fourth proportional to 141,054.09, 211,518.69 and 66,113.70 is: 99,141.28
Step by Step Solution
- Step 1: Write the proportion equation
141,054.09 : 211,518.69 = 66,113.70 : x - Step 2: Convert to fraction form
141,054.09/211,518.69 = 66,113.70/x - Step 3: Cross multiply
141,054.09x = 211,518.69 × 66,113.70 - Step 4: Simplify right side
141,054.09x = 13,984,283,215.05 - Step 5: Solve for x
x = 13,984,283,215.05/141,054.09 - Step 6: Final answer
x = 99,141.28
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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.