Finding the Fourth Proportional to 125.08, 187.25 and 83.99
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Solution
The fourth proportional to 125.08, 187.25 and 83.99 is: 125.74
Step by Step Solution
- Step 1: Write the proportion equation
125.08 : 187.25 = 83.99 : x - Step 2: Convert to fraction form
125.08/187.25 = 83.99/x - Step 3: Cross multiply
125.08x = 187.25 × 83.99 - Step 4: Simplify right side
125.08x = 15,727.13 - Step 5: Solve for x
x = 15,727.13/125.08 - Step 6: Final answer
x = 125.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.