Finding the Fourth Proportional to 125,126.01, 172,676.16 and 68,533.74
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Solution
The fourth proportional to 125,126.01, 172,676.16 and 68,533.74 is: 94,577.80
Step by Step Solution
- Step 1: Write the proportion equation
125,126.01 : 172,676.16 = 68,533.74 : x - Step 2: Convert to fraction form
125,126.01/172,676.16 = 68,533.74/x - Step 3: Cross multiply
125,126.01x = 172,676.16 × 68,533.74 - Step 4: Simplify right side
125,126.01x = 11,834,143,053.64 - Step 5: Solve for x
x = 11,834,143,053.64/125,126.01 - Step 6: Final answer
x = 94,577.80
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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.