Finding the Fourth Proportional to 131,813.41, 197,586.97 and 51,907.45
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Solution
The fourth proportional to 131,813.41, 197,586.97 and 51,907.45 is: 77,808.74
Step by Step Solution
- Step 1: Write the proportion equation
131,813.41 : 197,586.97 = 51,907.45 : x - Step 2: Convert to fraction form
131,813.41/197,586.97 = 51,907.45/x - Step 3: Cross multiply
131,813.41x = 197,586.97 × 51,907.45 - Step 4: Simplify right side
131,813.41x = 10,256,236,130.13 - Step 5: Solve for x
x = 10,256,236,130.13/131,813.41 - Step 6: Final answer
x = 77,808.74
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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.