Finding the Fourth Proportional to 170,820.96, 235,664.28 and 107,135.52
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Solution
The fourth proportional to 170,820.96, 235,664.28 and 107,135.52 is: 147,803.96
Step by Step Solution
- Step 1: Write the proportion equation
170,820.96 : 235,664.28 = 107,135.52 : x - Step 2: Convert to fraction form
170,820.96/235,664.28 = 107,135.52/x - Step 3: Cross multiply
170,820.96x = 235,664.28 × 107,135.52 - Step 4: Simplify right side
170,820.96x = 25,248,015,183.23 - Step 5: Solve for x
x = 25,248,015,183.23/170,820.96 - Step 6: Final answer
x = 147,803.96
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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.