Finding the Fourth Proportional to 105,057.36, 157,586.73 and 26,171.58
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Solution
The fourth proportional to 105,057.36, 157,586.73 and 26,171.58 is: 39,257.54
Step by Step Solution
- Step 1: Write the proportion equation
105,057.36 : 157,586.73 = 26,171.58 : x - Step 2: Convert to fraction form
105,057.36/157,586.73 = 26,171.58/x - Step 3: Cross multiply
105,057.36x = 157,586.73 × 26,171.58 - Step 4: Simplify right side
105,057.36x = 4,124,293,711.13 - Step 5: Solve for x
x = 4,124,293,711.13/105,057.36 - Step 6: Final answer
x = 39,257.54
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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.