Finding the Fourth Proportional to 125,739.84, 173,520.84 and 69,151.08
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Solution
The fourth proportional to 125,739.84, 173,520.84 and 69,151.08 is: 95,428.41
Step by Step Solution
- Step 1: Write the proportion equation
125,739.84 : 173,520.84 = 69,151.08 : x - Step 2: Convert to fraction form
125,739.84/173,520.84 = 69,151.08/x - Step 3: Cross multiply
125,739.84x = 173,520.84 × 69,151.08 - Step 4: Simplify right side
125,739.84x = 11,999,153,488.51 - Step 5: Solve for x
x = 11,999,153,488.51/125,739.84 - Step 6: Final answer
x = 95,428.41
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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.