Finding the Fourth Proportional to 92,697.99, 139,046.79 and 80,180.79
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Solution
The fourth proportional to 92,697.99, 139,046.79 and 80,180.79 is: 120,271.02
Step by Step Solution
- Step 1: Write the proportion equation
92,697.99 : 139,046.79 = 80,180.79 : x - Step 2: Convert to fraction form
92,697.99/139,046.79 = 80,180.79/x - Step 3: Cross multiply
92,697.99x = 139,046.79 × 80,180.79 - Step 4: Simplify right side
92,697.99x = 11,148,881,469.16 - Step 5: Solve for x
x = 11,148,881,469.16/92,697.99 - Step 6: Final answer
x = 120,271.02
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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.