Finding the Fourth Proportional to 134.99, 202.11 and 73.16
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Solution
The fourth proportional to 134.99, 202.11 and 73.16 is: 109.53
Step by Step Solution
- Step 1: Write the proportion equation
134.99 : 202.11 = 73.16 : x - Step 2: Convert to fraction form
134.99/202.11 = 73.16/x - Step 3: Cross multiply
134.99x = 202.11 × 73.16 - Step 4: Simplify right side
134.99x = 14,785.36 - Step 5: Solve for x
x = 14,785.36/134.99 - Step 6: Final answer
x = 109.53
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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.