Finding the Fourth Proportional to 125,649.18, 173,393.64 and 69,060.54
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Solution
The fourth proportional to 125,649.18, 173,393.64 and 69,060.54 is: 95,302.32
Step by Step Solution
- Step 1: Write the proportion equation
125,649.18 : 173,393.64 = 69,060.54 : x - Step 2: Convert to fraction form
125,649.18/173,393.64 = 69,060.54/x - Step 3: Cross multiply
125,649.18x = 173,393.64 × 69,060.54 - Step 4: Simplify right side
125,649.18x = 11,974,658,410.97 - Step 5: Solve for x
x = 11,974,658,410.97/125,649.18 - Step 6: Final answer
x = 95,302.32
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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.