Finding the Fourth Proportional to 134.02, 184.91 and 77.99
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Solution
The fourth proportional to 134.02, 184.91 and 77.99 is: 107.61
Step by Step Solution
- Step 1: Write the proportion equation
134.02 : 184.91 = 77.99 : x - Step 2: Convert to fraction form
134.02/184.91 = 77.99/x - Step 3: Cross multiply
134.02x = 184.91 × 77.99 - Step 4: Simplify right side
134.02x = 14,420.74 - Step 5: Solve for x
x = 14,420.74/134.02 - Step 6: Final answer
x = 107.61
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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.