Finding the Fourth Proportional to 125,657.61, 173,408.49 and 69,068.99
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Solution
The fourth proportional to 125,657.61, 173,408.49 and 69,068.99 is: 95,315.74
Step by Step Solution
- Step 1: Write the proportion equation
125,657.61 : 173,408.49 = 69,068.99 : x - Step 2: Convert to fraction form
125,657.61/173,408.49 = 69,068.99/x - Step 3: Cross multiply
125,657.61x = 173,408.49 × 69,068.99 - Step 4: Simplify right side
125,657.61x = 11,977,148,394.68 - Step 5: Solve for x
x = 11,977,148,394.68/125,657.61 - Step 6: Final answer
x = 95,315.74
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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.