Finding the Fourth Proportional to 146,475.68, 202,155.04 and 81,948.49
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Solution
The fourth proportional to 146,475.68, 202,155.04 and 81,948.49 is: 113,099.33
Step by Step Solution
- Step 1: Write the proportion equation
146,475.68 : 202,155.04 = 81,948.49 : x - Step 2: Convert to fraction form
146,475.68/202,155.04 = 81,948.49/x - Step 3: Cross multiply
146,475.68x = 202,155.04 × 81,948.49 - Step 4: Simplify right side
146,475.68x = 16,566,301,008.06 - Step 5: Solve for x
x = 16,566,301,008.06/146,475.68 - Step 6: Final answer
x = 113,099.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.