Finding the Fourth Proportional to 125,177.86, 172,746.12 and 68,591.26
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Solution
The fourth proportional to 125,177.86, 172,746.12 and 68,591.26 is: 94,656.31
Step by Step Solution
- Step 1: Write the proportion equation
125,177.86 : 172,746.12 = 68,591.26 : x - Step 2: Convert to fraction form
125,177.86/172,746.12 = 68,591.26/x - Step 3: Cross multiply
125,177.86x = 172,746.12 × 68,591.26 - Step 4: Simplify right side
125,177.86x = 11,848,874,030.91 - Step 5: Solve for x
x = 11,848,874,030.91/125,177.86 - Step 6: Final answer
x = 94,656.31
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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.