Finding the Fourth Proportional to 136,358.84, 188,125.26 and 82,605.08
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Solution
The fourth proportional to 136,358.84, 188,125.26 and 82,605.08 is: 113,964.76
Step by Step Solution
- Step 1: Write the proportion equation
136,358.84 : 188,125.26 = 82,605.08 : x - Step 2: Convert to fraction form
136,358.84/188,125.26 = 82,605.08/x - Step 3: Cross multiply
136,358.84x = 188,125.26 × 82,605.08 - Step 4: Simplify right side
136,358.84x = 15,540,102,152.32 - Step 5: Solve for x
x = 15,540,102,152.32/136,358.84 - Step 6: Final answer
x = 113,964.76
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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.