Finding the Fourth Proportional to 125,445.98, 173,259.13 and 82,616.93
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Solution
The fourth proportional to 125,445.98, 173,259.13 and 82,616.93 is: 114,105.99
Step by Step Solution
- Step 1: Write the proportion equation
125,445.98 : 173,259.13 = 82,616.93 : x - Step 2: Convert to fraction form
125,445.98/173,259.13 = 82,616.93/x - Step 3: Cross multiply
125,445.98x = 173,259.13 × 82,616.93 - Step 4: Simplify right side
125,445.98x = 14,314,137,415.07 - Step 5: Solve for x
x = 14,314,137,415.07/125,445.98 - Step 6: Final answer
x = 114,105.99
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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.