Finding the Fourth Proportional to 117,642.04, 176,363.85 and 51,031.99
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Solution
The fourth proportional to 117,642.04, 176,363.85 and 51,031.99 is: 76,504.95
Step by Step Solution
- Step 1: Write the proportion equation
117,642.04 : 176,363.85 = 51,031.99 : x - Step 2: Convert to fraction form
117,642.04/176,363.85 = 51,031.99/x - Step 3: Cross multiply
117,642.04x = 176,363.85 × 51,031.99 - Step 4: Simplify right side
117,642.04x = 9,000,198,229.56 - Step 5: Solve for x
x = 9,000,198,229.56/117,642.04 - Step 6: Final answer
x = 76,504.95
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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.