Finding the Fourth Proportional to 124,874.61, 187,126.35 and 74,896.19
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Solution
The fourth proportional to 124,874.61, 187,126.35 and 74,896.19 is: 112,232.99
Step by Step Solution
- Step 1: Write the proportion equation
124,874.61 : 187,126.35 = 74,896.19 : x - Step 2: Convert to fraction form
124,874.61/187,126.35 = 74,896.19/x - Step 3: Cross multiply
124,874.61x = 187,126.35 × 74,896.19 - Step 4: Simplify right side
124,874.61x = 14,015,050,148.84 - Step 5: Solve for x
x = 14,015,050,148.84/124,874.61 - Step 6: Final answer
x = 112,232.99
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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.