Finding the Fourth Proportional to 105,236.24, 157,916.63 and 38,723.07
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Solution
The fourth proportional to 105,236.24, 157,916.63 and 38,723.07 is: 58,107.52
Step by Step Solution
- Step 1: Write the proportion equation
105,236.24 : 157,916.63 = 38,723.07 : x - Step 2: Convert to fraction form
105,236.24/157,916.63 = 38,723.07/x - Step 3: Cross multiply
105,236.24x = 157,916.63 × 38,723.07 - Step 4: Simplify right side
105,236.24x = 6,115,016,669.25 - Step 5: Solve for x
x = 6,115,016,669.25/105,236.24 - Step 6: Final answer
x = 58,107.52
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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.