Finding the Fourth Proportional to 129.02, 177.99 and 95.90
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Solution
The fourth proportional to 129.02, 177.99 and 95.90 is: 132.30
Step by Step Solution
- Step 1: Write the proportion equation
129.02 : 177.99 = 95.90 : x - Step 2: Convert to fraction form
129.02/177.99 = 95.90/x - Step 3: Cross multiply
129.02x = 177.99 × 95.90 - Step 4: Simplify right side
129.02x = 17,069.24 - Step 5: Solve for x
x = 17,069.24/129.02 - Step 6: Final answer
x = 132.30
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.