Finding the Fourth Proportional to 125,575.93, 173,217.99 and 74,554.03
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Solution
The fourth proportional to 125,575.93, 173,217.99 and 74,554.03 is: 102,838.97
Step by Step Solution
- Step 1: Write the proportion equation
125,575.93 : 173,217.99 = 74,554.03 : x - Step 2: Convert to fraction form
125,575.93/173,217.99 = 74,554.03/x - Step 3: Cross multiply
125,575.93x = 173,217.99 × 74,554.03 - Step 4: Simplify right side
125,575.93x = 12,914,099,223.00 - Step 5: Solve for x
x = 12,914,099,223.00/125,575.93 - Step 6: Final answer
x = 102,838.97
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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.