Finding the Fourth Proportional to 135,664.07, 187,217.93 and 75,235.64
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Solution
The fourth proportional to 135,664.07, 187,217.93 and 75,235.64 is: 103,826.02
Step by Step Solution
- Step 1: Write the proportion equation
135,664.07 : 187,217.93 = 75,235.64 : x - Step 2: Convert to fraction form
135,664.07/187,217.93 = 75,235.64/x - Step 3: Cross multiply
135,664.07x = 187,217.93 × 75,235.64 - Step 4: Simplify right side
135,664.07x = 14,085,460,035.02 - Step 5: Solve for x
x = 14,085,460,035.02/135,664.07 - Step 6: Final answer
x = 103,826.02
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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.