Finding the Fourth Proportional to 134,876.02, 202,313.96 and 40,105.80
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Solution
The fourth proportional to 134,876.02, 202,313.96 and 40,105.80 is: 60,158.68
Step by Step Solution
- Step 1: Write the proportion equation
134,876.02 : 202,313.96 = 40,105.80 : x - Step 2: Convert to fraction form
134,876.02/202,313.96 = 40,105.80/x - Step 3: Cross multiply
134,876.02x = 202,313.96 × 40,105.80 - Step 4: Simplify right side
134,876.02x = 8,113,963,216.97 - Step 5: Solve for x
x = 8,113,963,216.97/134,876.02 - Step 6: Final answer
x = 60,158.68
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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.