Finding the Fourth Proportional to 125,459.24, 173,166.93 and 77,685.44
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Solution
The fourth proportional to 125,459.24, 173,166.93 and 77,685.44 is: 107,226.45
Step by Step Solution
- Step 1: Write the proportion equation
125,459.24 : 173,166.93 = 77,685.44 : x - Step 2: Convert to fraction form
125,459.24/173,166.93 = 77,685.44/x - Step 3: Cross multiply
125,459.24x = 173,166.93 × 77,685.44 - Step 4: Simplify right side
125,459.24x = 13,452,548,284.66 - Step 5: Solve for x
x = 13,452,548,284.66/125,459.24 - Step 6: Final answer
x = 107,226.45
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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.