Finding the Fourth Proportional to 135,863.22, 187,497.10 and 75,433.87
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Solution
The fourth proportional to 135,863.22, 187,497.10 and 75,433.87 is: 104,101.99
Step by Step Solution
- Step 1: Write the proportion equation
135,863.22 : 187,497.10 = 75,433.87 : x - Step 2: Convert to fraction form
135,863.22/187,497.10 = 75,433.87/x - Step 3: Cross multiply
135,863.22x = 187,497.10 × 75,433.87 - Step 4: Simplify right side
135,863.22x = 14,143,631,866.78 - Step 5: Solve for x
x = 14,143,631,866.78/135,863.22 - Step 6: Final answer
x = 104,101.99
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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.