Finding the Fourth Proportional to 145,885.43, 201,379.86 and 125,386.35
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Solution
The fourth proportional to 145,885.43, 201,379.86 and 125,386.35 is: 173,082.99
Step by Step Solution
- Step 1: Write the proportion equation
145,885.43 : 201,379.86 = 125,386.35 : x - Step 2: Convert to fraction form
145,885.43/201,379.86 = 125,386.35/x - Step 3: Cross multiply
145,885.43x = 201,379.86 × 125,386.35 - Step 4: Simplify right side
145,885.43x = 25,250,285,608.91 - Step 5: Solve for x
x = 25,250,285,608.91/145,885.43 - Step 6: Final answer
x = 173,082.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.