Finding the Fourth Proportional to 170,431.83, 235,185.33 and 93,946.95
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Solution
The fourth proportional to 170,431.83, 235,185.33 and 93,946.95 is: 129,640.95
Step by Step Solution
- Step 1: Write the proportion equation
170,431.83 : 235,185.33 = 93,946.95 : x - Step 2: Convert to fraction form
170,431.83/235,185.33 = 93,946.95/x - Step 3: Cross multiply
170,431.83x = 235,185.33 × 93,946.95 - Step 4: Simplify right side
170,431.83x = 22,094,944,438.24 - Step 5: Solve for x
x = 22,094,944,438.24/170,431.83 - Step 6: Final answer
x = 129,640.95
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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.