Finding the Fourth Proportional to 125,276.21, 187,894.31 and 36,508.95
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Solution
The fourth proportional to 125,276.21, 187,894.31 and 36,508.95 is: 54,757.59
Step by Step Solution
- Step 1: Write the proportion equation
125,276.21 : 187,894.31 = 36,508.95 : x - Step 2: Convert to fraction form
125,276.21/187,894.31 = 36,508.95/x - Step 3: Cross multiply
125,276.21x = 187,894.31 × 36,508.95 - Step 4: Simplify right side
125,276.21x = 6,859,823,969.07 - Step 5: Solve for x
x = 6,859,823,969.07/125,276.21 - Step 6: Final answer
x = 54,757.59
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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.