Finding the Fourth Proportional to 125,826.66, 173,574.61 and 74,803.09
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Solution
The fourth proportional to 125,826.66, 173,574.61 and 74,803.09 is: 103,188.92
Step by Step Solution
- Step 1: Write the proportion equation
125,826.66 : 173,574.61 = 74,803.09 : x - Step 2: Convert to fraction form
125,826.66/173,574.61 = 74,803.09/x - Step 3: Cross multiply
125,826.66x = 173,574.61 × 74,803.09 - Step 4: Simplify right side
125,826.66x = 12,983,917,173.54 - Step 5: Solve for x
x = 12,983,917,173.54/125,826.66 - Step 6: Final answer
x = 103,188.92
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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.