Finding the Fourth Proportional to 156,619.62, 216,097.63 and 95,365.09
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Solution
The fourth proportional to 156,619.62, 216,097.63 and 95,365.09 is: 131,581.03
Step by Step Solution
- Step 1: Write the proportion equation
156,619.62 : 216,097.63 = 95,365.09 : x - Step 2: Convert to fraction form
156,619.62/216,097.63 = 95,365.09/x - Step 3: Cross multiply
156,619.62x = 216,097.63 × 95,365.09 - Step 4: Simplify right side
156,619.62x = 20,608,170,501.87 - Step 5: Solve for x
x = 20,608,170,501.87/156,619.62 - Step 6: Final answer
x = 131,581.03
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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.