Finding the Fourth Proportional to 99,658.26, 138,122.06 and 97,792.02
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Solution
The fourth proportional to 99,658.26, 138,122.06 and 97,792.02 is: 135,535.53
Step by Step Solution
- Step 1: Write the proportion equation
99,658.26 : 138,122.06 = 97,792.02 : x - Step 2: Convert to fraction form
99,658.26/138,122.06 = 97,792.02/x - Step 3: Cross multiply
99,658.26x = 138,122.06 × 97,792.02 - Step 4: Simplify right side
99,658.26x = 13,507,234,765.00 - Step 5: Solve for x
x = 13,507,234,765.00/99,658.26 - Step 6: Final answer
x = 135,535.53
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.