Finding the Fourth Proportional to 170,152.99, 235,111.62 and 134,625.18
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Solution
The fourth proportional to 170,152.99, 235,111.62 and 134,625.18 is: 186,020.50
Step by Step Solution
- Step 1: Write the proportion equation
170,152.99 : 235,111.62 = 134,625.18 : x - Step 2: Convert to fraction form
170,152.99/235,111.62 = 134,625.18/x - Step 3: Cross multiply
170,152.99x = 235,111.62 × 134,625.18 - Step 4: Simplify right side
170,152.99x = 31,651,944,162.59 - Step 5: Solve for x
x = 31,651,944,162.59/170,152.99 - Step 6: Final answer
x = 186,020.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.