Finding the Fourth Proportional to 125,566.60, 188,349.90 and 115,943.80
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Solution
The fourth proportional to 125,566.60, 188,349.90 and 115,943.80 is: 173,915.70
Step by Step Solution
- Step 1: Write the proportion equation
125,566.60 : 188,349.90 = 115,943.80 : x - Step 2: Convert to fraction form
125,566.60/188,349.90 = 115,943.80/x - Step 3: Cross multiply
125,566.60x = 188,349.90 × 115,943.80 - Step 4: Simplify right side
125,566.60x = 21,838,003,135.62 - Step 5: Solve for x
x = 21,838,003,135.62/125,566.60 - Step 6: Final answer
x = 173,915.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.