Finding the Fourth Proportional to 125,795.97, 188,693.91 and 86,233.14
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Solution
The fourth proportional to 125,795.97, 188,693.91 and 86,233.14 is: 129,349.68
Step by Step Solution
- Step 1: Write the proportion equation
125,795.97 : 188,693.91 = 86,233.14 : x - Step 2: Convert to fraction form
125,795.97/188,693.91 = 86,233.14/x - Step 3: Cross multiply
125,795.97x = 188,693.91 × 86,233.14 - Step 4: Simplify right side
125,795.97x = 16,271,668,358.18 - Step 5: Solve for x
x = 16,271,668,358.18/125,795.97 - Step 6: Final answer
x = 129,349.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.