Finding the Fourth Proportional to 135,888.19, 187,519.41 and 75,462.69
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Solution
The fourth proportional to 135,888.19, 187,519.41 and 75,462.69 is: 104,135.02
Step by Step Solution
- Step 1: Write the proportion equation
135,888.19 : 187,519.41 = 75,462.69 : x - Step 2: Convert to fraction form
135,888.19/187,519.41 = 75,462.69/x - Step 3: Cross multiply
135,888.19x = 187,519.41 × 75,462.69 - Step 4: Simplify right side
135,888.19x = 14,150,719,105.81 - Step 5: Solve for x
x = 14,150,719,105.81/135,888.19 - Step 6: Final answer
x = 104,135.02
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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.