Finding the Fourth Proportional to 105,415.44, 158,113.36 and 29,520.84
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Solution
The fourth proportional to 105,415.44, 158,113.36 and 29,520.84 is: 44,278.52
Step by Step Solution
- Step 1: Write the proportion equation
105,415.44 : 158,113.36 = 29,520.84 : x - Step 2: Convert to fraction form
105,415.44/158,113.36 = 29,520.84/x - Step 3: Cross multiply
105,415.44x = 158,113.36 × 29,520.84 - Step 4: Simplify right side
105,415.44x = 4,667,639,666.19 - Step 5: Solve for x
x = 4,667,639,666.19/105,415.44 - Step 6: Final answer
x = 44,278.52
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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.