Finding the Fourth Proportional to 125,082.80, 172,614.33 and 68,494.17
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Solution
The fourth proportional to 125,082.80, 172,614.33 and 68,494.17 is: 94,521.99
Step by Step Solution
- Step 1: Write the proportion equation
125,082.80 : 172,614.33 = 68,494.17 : x - Step 2: Convert to fraction form
125,082.80/172,614.33 = 68,494.17/x - Step 3: Cross multiply
125,082.80x = 172,614.33 × 68,494.17 - Step 4: Simplify right side
125,082.80x = 11,823,075,263.46 - Step 5: Solve for x
x = 11,823,075,263.46/125,082.80 - Step 6: Final answer
x = 94,521.99
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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.