Finding the Fourth Proportional to 125,366.64, 173,005.95 and 68,776.80
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Solution
The fourth proportional to 125,366.64, 173,005.95 and 68,776.80 is: 94,911.98
Step by Step Solution
- Step 1: Write the proportion equation
125,366.64 : 173,005.95 = 68,776.80 : x - Step 2: Convert to fraction form
125,366.64/173,005.95 = 68,776.80/x - Step 3: Cross multiply
125,366.64x = 173,005.95 × 68,776.80 - Step 4: Simplify right side
125,366.64x = 11,898,795,621.96 - Step 5: Solve for x
x = 11,898,795,621.96/125,366.64 - Step 6: Final answer
x = 94,911.98
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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.