Finding the Fourth Proportional to 125,555.91, 173,268.35 and 68,967.28
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Solution
The fourth proportional to 125,555.91, 173,268.35 and 68,967.28 is: 95,175.50
Step by Step Solution
- Step 1: Write the proportion equation
125,555.91 : 173,268.35 = 68,967.28 : x - Step 2: Convert to fraction form
125,555.91/173,268.35 = 68,967.28/x - Step 3: Cross multiply
125,555.91x = 173,268.35 × 68,967.28 - Step 4: Simplify right side
125,555.91x = 11,949,846,809.59 - Step 5: Solve for x
x = 11,949,846,809.59/125,555.91 - Step 6: Final answer
x = 95,175.50
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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.