Finding the Fourth Proportional to 149.17, 205.95 and 93.99
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Solution
The fourth proportional to 149.17, 205.95 and 93.99 is: 129.77
Step by Step Solution
- Step 1: Write the proportion equation
149.17 : 205.95 = 93.99 : x - Step 2: Convert to fraction form
149.17/205.95 = 93.99/x - Step 3: Cross multiply
149.17x = 205.95 × 93.99 - Step 4: Simplify right side
149.17x = 19,357.24 - Step 5: Solve for x
x = 19,357.24/149.17 - Step 6: Final answer
x = 129.77
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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.