Finding the Fourth Proportional to 129,113.08, 178,126.12 and 95,201.84
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Solution
The fourth proportional to 129,113.08, 178,126.12 and 95,201.84 is: 131,341.72
Step by Step Solution
- Step 1: Write the proportion equation
129,113.08 : 178,126.12 = 95,201.84 : x - Step 2: Convert to fraction form
129,113.08/178,126.12 = 95,201.84/x - Step 3: Cross multiply
129,113.08x = 178,126.12 × 95,201.84 - Step 4: Simplify right side
129,113.08x = 16,957,934,376.06 - Step 5: Solve for x
x = 16,957,934,376.06/129,113.08 - Step 6: Final answer
x = 131,341.72
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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.