Finding the Fourth Proportional to 147,088.54, 220,751.03 and 76,031.99
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Solution
The fourth proportional to 147,088.54, 220,751.03 and 76,031.99 is: 114,109.09
Step by Step Solution
- Step 1: Write the proportion equation
147,088.54 : 220,751.03 = 76,031.99 : x - Step 2: Convert to fraction form
147,088.54/220,751.03 = 76,031.99/x - Step 3: Cross multiply
147,088.54x = 220,751.03 × 76,031.99 - Step 4: Simplify right side
147,088.54x = 16,784,140,105.45 - Step 5: Solve for x
x = 16,784,140,105.45/147,088.54 - Step 6: Final answer
x = 114,109.09
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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.