Finding the Fourth Proportional to 125,810.62, 173,552.48 and 74,787.06
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Solution
The fourth proportional to 125,810.62, 173,552.48 and 74,787.06 is: 103,166.81
Step by Step Solution
- Step 1: Write the proportion equation
125,810.62 : 173,552.48 = 74,787.06 : x - Step 2: Convert to fraction form
125,810.62/173,552.48 = 74,787.06/x - Step 3: Cross multiply
125,810.62x = 173,552.48 × 74,787.06 - Step 4: Simplify right side
125,810.62x = 12,979,479,734.91 - Step 5: Solve for x
x = 12,979,479,734.91/125,810.62 - Step 6: Final answer
x = 103,166.81
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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.