Finding the Fourth Proportional to 135,625.87, 187,212.14 and 92,574.55
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Solution
The fourth proportional to 135,625.87, 187,212.14 and 92,574.55 is: 127,785.94
Step by Step Solution
- Step 1: Write the proportion equation
135,625.87 : 187,212.14 = 92,574.55 : x - Step 2: Convert to fraction form
135,625.87/187,212.14 = 92,574.55/x - Step 3: Cross multiply
135,625.87x = 187,212.14 × 92,574.55 - Step 4: Simplify right side
135,625.87x = 17,331,078,419.90 - Step 5: Solve for x
x = 17,331,078,419.90/135,625.87 - Step 6: Final answer
x = 127,785.94
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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.