Finding the Fourth Proportional to 125,935.50, 173,790.99 and 69,346.74
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Solution
The fourth proportional to 125,935.50, 173,790.99 and 69,346.74 is: 95,698.50
Step by Step Solution
- Step 1: Write the proportion equation
125,935.50 : 173,790.99 = 69,346.74 : x - Step 2: Convert to fraction form
125,935.50/173,790.99 = 69,346.74/x - Step 3: Cross multiply
125,935.50x = 173,790.99 × 69,346.74 - Step 4: Simplify right side
125,935.50x = 12,051,838,597.87 - Step 5: Solve for x
x = 12,051,838,597.87/125,935.50 - Step 6: Final answer
x = 95,698.50
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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.