Finding the Fourth Proportional to 125,781.36, 188,631.98 and 41,525.84
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Solution
The fourth proportional to 125,781.36, 188,631.98 and 41,525.84 is: 62,275.53
Step by Step Solution
- Step 1: Write the proportion equation
125,781.36 : 188,631.98 = 41,525.84 : x - Step 2: Convert to fraction form
125,781.36/188,631.98 = 41,525.84/x - Step 3: Cross multiply
125,781.36x = 188,631.98 × 41,525.84 - Step 4: Simplify right side
125,781.36x = 7,833,101,420.36 - Step 5: Solve for x
x = 7,833,101,420.36/125,781.36 - Step 6: Final answer
x = 62,275.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.