Finding the Fourth Proportional to 125,087.24, 187,641.18 and 40,845.53
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Solution
The fourth proportional to 125,087.24, 187,641.18 and 40,845.53 is: 61,271.66
Step by Step Solution
- Step 1: Write the proportion equation
125,087.24 : 187,641.18 = 40,845.53 : x - Step 2: Convert to fraction form
125,087.24/187,641.18 = 40,845.53/x - Step 3: Cross multiply
125,087.24x = 187,641.18 × 40,845.53 - Step 4: Simplify right side
125,087.24x = 7,664,302,508.72 - Step 5: Solve for x
x = 7,664,302,508.72/125,087.24 - Step 6: Final answer
x = 61,271.66
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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.