Finding the Fourth Proportional to 125,114.25, 172,657.68 and 68,525.63
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Solution
The fourth proportional to 125,114.25, 172,657.68 and 68,525.63 is: 94,565.37
Step by Step Solution
- Step 1: Write the proportion equation
125,114.25 : 172,657.68 = 68,525.63 : x - Step 2: Convert to fraction form
125,114.25/172,657.68 = 68,525.63/x - Step 3: Cross multiply
125,114.25x = 172,657.68 × 68,525.63 - Step 4: Simplify right side
125,114.25x = 11,831,475,823.55 - Step 5: Solve for x
x = 11,831,475,823.55/125,114.25 - Step 6: Final answer
x = 94,565.37
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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.