Finding the Fourth Proportional to 135,584.36, 187,117.62 and 75,173.96
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Solution
The fourth proportional to 135,584.36, 187,117.62 and 75,173.96 is: 103,746.28
Step by Step Solution
- Step 1: Write the proportion equation
135,584.36 : 187,117.62 = 75,173.96 : x - Step 2: Convert to fraction form
135,584.36/187,117.62 = 75,173.96/x - Step 3: Cross multiply
135,584.36x = 187,117.62 × 75,173.96 - Step 4: Simplify right side
135,584.36x = 14,066,372,481.18 - Step 5: Solve for x
x = 14,066,372,481.18/135,584.36 - Step 6: Final answer
x = 103,746.28
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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.