Finding the Fourth Proportional to 135,965.25, 203,802.08 and 65,689.65
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Solution
The fourth proportional to 135,965.25, 203,802.08 and 65,689.65 is: 98,464.03
Step by Step Solution
- Step 1: Write the proportion equation
135,965.25 : 203,802.08 = 65,689.65 : x - Step 2: Convert to fraction form
135,965.25/203,802.08 = 65,689.65/x - Step 3: Cross multiply
135,965.25x = 203,802.08 × 65,689.65 - Step 4: Simplify right side
135,965.25x = 13,387,686,976.02 - Step 5: Solve for x
x = 13,387,686,976.02/135,965.25 - Step 6: Final answer
x = 98,464.03
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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.