Finding the Fourth Proportional to 124,588.87, 186,691.94 and 84,555.83
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Solution
The fourth proportional to 124,588.87, 186,691.94 and 84,555.83 is: 126,703.88
Step by Step Solution
- Step 1: Write the proportion equation
124,588.87 : 186,691.94 = 84,555.83 : x - Step 2: Convert to fraction form
124,588.87/186,691.94 = 84,555.83/x - Step 3: Cross multiply
124,588.87x = 186,691.94 × 84,555.83 - Step 4: Simplify right side
124,588.87x = 15,785,892,302.05 - Step 5: Solve for x
x = 15,785,892,302.05/124,588.87 - Step 6: Final answer
x = 126,703.88
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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.