Finding the Fourth Proportional to 125,492.18, 173,178.26 and 68,130.14
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Solution
The fourth proportional to 125,492.18, 173,178.26 and 68,130.14 is: 94,019.08
Step by Step Solution
- Step 1: Write the proportion equation
125,492.18 : 173,178.26 = 68,130.14 : x - Step 2: Convert to fraction form
125,492.18/173,178.26 = 68,130.14/x - Step 3: Cross multiply
125,492.18x = 173,178.26 × 68,130.14 - Step 4: Simplify right side
125,492.18x = 11,798,659,098.76 - Step 5: Solve for x
x = 11,798,659,098.76/125,492.18 - Step 6: Final answer
x = 94,019.08
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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.