Finding the Fourth Proportional to 125,366.16, 173,017.16 and 71,640.80
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Solution
The fourth proportional to 125,366.16, 173,017.16 and 71,640.80 is: 98,871.08
Step by Step Solution
- Step 1: Write the proportion equation
125,366.16 : 173,017.16 = 71,640.80 : x - Step 2: Convert to fraction form
125,366.16/173,017.16 = 71,640.80/x - Step 3: Cross multiply
125,366.16x = 173,017.16 × 71,640.80 - Step 4: Simplify right side
125,366.16x = 12,395,087,756.13 - Step 5: Solve for x
x = 12,395,087,756.13/125,366.16 - Step 6: Final answer
x = 98,871.08
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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.