Finding the Fourth Proportional to 124.99, 170.91 and 124.99
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Solution
The fourth proportional to 124.99, 170.91 and 124.99 is: 170.91
Step by Step Solution
- Step 1: Write the proportion equation
124.99 : 170.91 = 124.99 : x - Step 2: Convert to fraction form
124.99/170.91 = 124.99/x - Step 3: Cross multiply
124.99x = 170.91 × 124.99 - Step 4: Simplify right side
124.99x = 21,362.04 - Step 5: Solve for x
x = 21,362.04/124.99 - Step 6: Final answer
x = 170.91
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.