Finding the Fourth Proportional to 170,976.36, 235,956.36 and 103,014.68
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Solution
The fourth proportional to 170,976.36, 235,956.36 and 103,014.68 is: 142,165.67
Step by Step Solution
- Step 1: Write the proportion equation
170,976.36 : 235,956.36 = 103,014.68 : x - Step 2: Convert to fraction form
170,976.36/235,956.36 = 103,014.68/x - Step 3: Cross multiply
170,976.36x = 235,956.36 × 103,014.68 - Step 4: Simplify right side
170,976.36x = 24,306,968,919.36 - Step 5: Solve for x
x = 24,306,968,919.36/170,976.36 - Step 6: Final answer
x = 142,165.67
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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.