Finding the Fourth Proportional to 107,578.88, 148,461.69 and 59,182.09
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Solution
The fourth proportional to 107,578.88, 148,461.69 and 59,182.09 is: 81,672.84
Step by Step Solution
- Step 1: Write the proportion equation
107,578.88 : 148,461.69 = 59,182.09 : x - Step 2: Convert to fraction form
107,578.88/148,461.69 = 59,182.09/x - Step 3: Cross multiply
107,578.88x = 148,461.69 × 59,182.09 - Step 4: Simplify right side
107,578.88x = 8,786,272,949.91 - Step 5: Solve for x
x = 8,786,272,949.91/107,578.88 - Step 6: Final answer
x = 81,672.84
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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.