Finding the Fourth Proportional to 164,987.70, 247,481.55 and 125,621.70
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Solution
The fourth proportional to 164,987.70, 247,481.55 and 125,621.70 is: 188,432.55
Step by Step Solution
- Step 1: Write the proportion equation
164,987.70 : 247,481.55 = 125,621.70 : x - Step 2: Convert to fraction form
164,987.70/247,481.55 = 125,621.70/x - Step 3: Cross multiply
164,987.70x = 247,481.55 × 125,621.70 - Step 4: Simplify right side
164,987.70x = 31,089,053,029.64 - Step 5: Solve for x
x = 31,089,053,029.64/164,987.70 - Step 6: Final answer
x = 188,432.55
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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.