Finding the Fourth Proportional to 170,751.68, 235,637.28 and 99,145.28
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Solution
The fourth proportional to 170,751.68, 235,637.28 and 99,145.28 is: 136,820.46
Step by Step Solution
- Step 1: Write the proportion equation
170,751.68 : 235,637.28 = 99,145.28 : x - Step 2: Convert to fraction form
170,751.68/235,637.28 = 99,145.28/x - Step 3: Cross multiply
170,751.68x = 235,637.28 × 99,145.28 - Step 4: Simplify right side
170,751.68x = 23,362,324,104.04 - Step 5: Solve for x
x = 23,362,324,104.04/170,751.68 - Step 6: Final answer
x = 136,820.46
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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.