Finding the Fourth Proportional to 135,926.22, 187,582.25 and 82,221.06
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Solution
The fourth proportional to 135,926.22, 187,582.25 and 82,221.06 is: 113,467.52
Step by Step Solution
- Step 1: Write the proportion equation
135,926.22 : 187,582.25 = 82,221.06 : x - Step 2: Convert to fraction form
135,926.22/187,582.25 = 82,221.06/x - Step 3: Cross multiply
135,926.22x = 187,582.25 × 82,221.06 - Step 4: Simplify right side
135,926.22x = 15,423,211,432.19 - Step 5: Solve for x
x = 15,423,211,432.19/135,926.22 - Step 6: Final answer
x = 113,467.52
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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.