Finding the Fourth Proportional to 125,421.12, 188,193.18 and 58,866.66
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Solution
The fourth proportional to 125,421.12, 188,193.18 and 58,866.66 is: 88,328.86
Step by Step Solution
- Step 1: Write the proportion equation
125,421.12 : 188,193.18 = 58,866.66 : x - Step 2: Convert to fraction form
125,421.12/188,193.18 = 58,866.66/x - Step 3: Cross multiply
125,421.12x = 188,193.18 × 58,866.66 - Step 4: Simplify right side
125,421.12x = 11,078,303,941.38 - Step 5: Solve for x
x = 11,078,303,941.38/125,421.12 - Step 6: Final answer
x = 88,328.86
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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.