Finding the Fourth Proportional to 125,569.48, 173,285.84 and 68,980.80
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Solution
The fourth proportional to 125,569.48, 173,285.84 and 68,980.80 is: 95,193.48
Step by Step Solution
- Step 1: Write the proportion equation
125,569.48 : 173,285.84 = 68,980.80 : x - Step 2: Convert to fraction form
125,569.48/173,285.84 = 68,980.80/x - Step 3: Cross multiply
125,569.48x = 173,285.84 × 68,980.80 - Step 4: Simplify right side
125,569.48x = 11,953,395,871.87 - Step 5: Solve for x
x = 11,953,395,871.87/125,569.48 - Step 6: Final answer
x = 95,193.48
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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.