Finding the Fourth Proportional to 160,707.08, 221,730.88 and 126,609.75
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Solution
The fourth proportional to 160,707.08, 221,730.88 and 126,609.75 is: 174,686.08
Step by Step Solution
- Step 1: Write the proportion equation
160,707.08 : 221,730.88 = 126,609.75 : x - Step 2: Convert to fraction form
160,707.08/221,730.88 = 126,609.75/x - Step 3: Cross multiply
160,707.08x = 221,730.88 × 126,609.75 - Step 4: Simplify right side
160,707.08x = 28,073,290,967.56 - Step 5: Solve for x
x = 28,073,290,967.56/160,707.08 - Step 6: Final answer
x = 174,686.08
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1.5x scale
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.