Finding the Fourth Proportional to 125,132.21, 187,716.62 and 36,374.18
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Solution
The fourth proportional to 125,132.21, 187,716.62 and 36,374.18 is: 54,566.58
Step by Step Solution
- Step 1: Write the proportion equation
125,132.21 : 187,716.62 = 36,374.18 : x - Step 2: Convert to fraction form
125,132.21/187,716.62 = 36,374.18/x - Step 3: Cross multiply
125,132.21x = 187,716.62 × 36,374.18 - Step 4: Simplify right side
125,132.21x = 6,828,037,004.42 - Step 5: Solve for x
x = 6,828,037,004.42/125,132.21 - Step 6: Final answer
x = 54,566.58
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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.