Finding the Fourth Proportional to 158.79, 219 and 125.99
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Solution
The fourth proportional to 158.79, 219 and 125.99 is: 173.76
Step by Step Solution
- Step 1: Write the proportion equation
158.79 : 219 = 125.99 : x - Step 2: Convert to fraction form
158.79/219 = 125.99/x - Step 3: Cross multiply
158.79x = 219 × 125.99 - Step 4: Simplify right side
158.79x = 27,591.81 - Step 5: Solve for x
x = 27,591.81/158.79 - Step 6: Final answer
x = 173.76
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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.