Finding the Fourth Proportional to 125,508.14, 173,203.36 and 68,924.78
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Solution
The fourth proportional to 125,508.14, 173,203.36 and 68,924.78 is: 95,117.36
Step by Step Solution
- Step 1: Write the proportion equation
125,508.14 : 173,203.36 = 68,924.78 : x - Step 2: Convert to fraction form
125,508.14/173,203.36 = 68,924.78/x - Step 3: Cross multiply
125,508.14x = 173,203.36 × 68,924.78 - Step 4: Simplify right side
125,508.14x = 11,938,003,483.26 - Step 5: Solve for x
x = 11,938,003,483.26/125,508.14 - Step 6: Final answer
x = 95,117.36
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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.