Finding the Fourth Proportional to 124,529.80, 186,794.70 and 89,537.80
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Solution
The fourth proportional to 124,529.80, 186,794.70 and 89,537.80 is: 134,306.70
Step by Step Solution
- Step 1: Write the proportion equation
124,529.80 : 186,794.70 = 89,537.80 : x - Step 2: Convert to fraction form
124,529.80/186,794.70 = 89,537.80/x - Step 3: Cross multiply
124,529.80x = 186,794.70 × 89,537.80 - Step 4: Simplify right side
124,529.80x = 16,725,186,489.66 - Step 5: Solve for x
x = 16,725,186,489.66/124,529.80 - Step 6: Final answer
x = 134,306.70
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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.