Finding the Fourth Proportional to 144,790.32, 199,782.12 and 91,044.12
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Solution
The fourth proportional to 144,790.32, 199,782.12 and 91,044.12 is: 125,622.95
Step by Step Solution
- Step 1: Write the proportion equation
144,790.32 : 199,782.12 = 91,044.12 : x - Step 2: Convert to fraction form
144,790.32/199,782.12 = 91,044.12/x - Step 3: Cross multiply
144,790.32x = 199,782.12 × 91,044.12 - Step 4: Simplify right side
144,790.32x = 18,188,987,307.13 - Step 5: Solve for x
x = 18,188,987,307.13/144,790.32 - Step 6: Final answer
x = 125,622.95
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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.