Finding the Fourth Proportional to 125,948.81, 173,809.04 and 69,360.18
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Solution
The fourth proportional to 125,948.81, 173,809.04 and 69,360.18 is: 95,716.87
Step by Step Solution
- Step 1: Write the proportion equation
125,948.81 : 173,809.04 = 69,360.18 : x - Step 2: Convert to fraction form
125,948.81/173,809.04 = 69,360.18/x - Step 3: Cross multiply
125,948.81x = 173,809.04 × 69,360.18 - Step 4: Simplify right side
125,948.81x = 12,055,425,953.23 - Step 5: Solve for x
x = 12,055,425,953.23/125,948.81 - Step 6: Final answer
x = 95,716.87
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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.