Finding the Fourth Proportional to 125,196.63, 187,801.79 and 31,703.19
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Solution
The fourth proportional to 125,196.63, 187,801.79 and 31,703.19 is: 47,556.52
Step by Step Solution
- Step 1: Write the proportion equation
125,196.63 : 187,801.79 = 31,703.19 : x - Step 2: Convert to fraction form
125,196.63/187,801.79 = 31,703.19/x - Step 3: Cross multiply
125,196.63x = 187,801.79 × 31,703.19 - Step 4: Simplify right side
125,196.63x = 5,953,915,830.71 - Step 5: Solve for x
x = 5,953,915,830.71/125,196.63 - Step 6: Final answer
x = 47,556.52
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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.