Finding the Fourth Proportional to 125,623.87, 173,361.61 and 68,263.65
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Solution
The fourth proportional to 125,623.87, 173,361.61 and 68,263.65 is: 94,204.20
Step by Step Solution
- Step 1: Write the proportion equation
125,623.87 : 173,361.61 = 68,263.65 : x - Step 2: Convert to fraction form
125,623.87/173,361.61 = 68,263.65/x - Step 3: Cross multiply
125,623.87x = 173,361.61 × 68,263.65 - Step 4: Simplify right side
125,623.87x = 11,834,296,268.48 - Step 5: Solve for x
x = 11,834,296,268.48/125,623.87 - Step 6: Final answer
x = 94,204.20
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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.