Finding the Fourth Proportional to 97,164.12, 145,619.94 and 43,816.92
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Solution
The fourth proportional to 97,164.12, 145,619.94 and 43,816.92 is: 65,668.45
Step by Step Solution
- Step 1: Write the proportion equation
97,164.12 : 145,619.94 = 43,816.92 : x - Step 2: Convert to fraction form
97,164.12/145,619.94 = 43,816.92/x - Step 3: Cross multiply
97,164.12x = 145,619.94 × 43,816.92 - Step 4: Simplify right side
97,164.12x = 6,380,617,261.38 - Step 5: Solve for x
x = 6,380,617,261.38/97,164.12 - Step 6: Final answer
x = 65,668.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.