Finding the Fourth Proportional to 125,607.16, 173,295.02 and 77,843.08
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Solution
The fourth proportional to 125,607.16, 173,295.02 and 77,843.08 is: 107,396.89
Step by Step Solution
- Step 1: Write the proportion equation
125,607.16 : 173,295.02 = 77,843.08 : x - Step 2: Convert to fraction form
125,607.16/173,295.02 = 77,843.08/x - Step 3: Cross multiply
125,607.16x = 173,295.02 × 77,843.08 - Step 4: Simplify right side
125,607.16x = 13,489,818,105.46 - Step 5: Solve for x
x = 13,489,818,105.46/125,607.16 - Step 6: Final answer
x = 107,396.89
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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.