Finding the Fourth Proportional to 134,201.91, 185,199.23 and 73,776.44
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Solution
The fourth proportional to 134,201.91, 185,199.23 and 73,776.44 is: 101,811.81
Step by Step Solution
- Step 1: Write the proportion equation
134,201.91 : 185,199.23 = 73,776.44 : x - Step 2: Convert to fraction form
134,201.91/185,199.23 = 73,776.44/x - Step 3: Cross multiply
134,201.91x = 185,199.23 × 73,776.44 - Step 4: Simplify right side
134,201.91x = 13,663,339,880.14 - Step 5: Solve for x
x = 13,663,339,880.14/134,201.91 - Step 6: Final answer
x = 101,811.81
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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.