Finding the Fourth Proportional to 115,942.74, 173,679.93 and 97,169.82
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Solution
The fourth proportional to 115,942.74, 173,679.93 and 97,169.82 is: 145,558.47
Step by Step Solution
- Step 1: Write the proportion equation
115,942.74 : 173,679.93 = 97,169.82 : x - Step 2: Convert to fraction form
115,942.74/173,679.93 = 97,169.82/x - Step 3: Cross multiply
115,942.74x = 173,679.93 × 97,169.82 - Step 4: Simplify right side
115,942.74x = 16,876,447,535.71 - Step 5: Solve for x
x = 16,876,447,535.71/115,942.74 - Step 6: Final answer
x = 145,558.47
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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.