Finding the Fourth Proportional to 104,175.83, 143,754.12 and 58,857.75
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Solution
The fourth proportional to 104,175.83, 143,754.12 and 58,857.75 is: 81,218.88
Step by Step Solution
- Step 1: Write the proportion equation
104,175.83 : 143,754.12 = 58,857.75 : x - Step 2: Convert to fraction form
104,175.83/143,754.12 = 58,857.75/x - Step 3: Cross multiply
104,175.83x = 143,754.12 × 58,857.75 - Step 4: Simplify right side
104,175.83x = 8,461,044,056.43 - Step 5: Solve for x
x = 8,461,044,056.43/104,175.83 - Step 6: Final answer
x = 81,218.88
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1.5x scale
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.