Finding the Fourth Proportional to 124,203.13, 186,180.12 and 57,689.97
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Solution
The fourth proportional to 124,203.13, 186,180.12 and 57,689.97 is: 86,477.09
Step by Step Solution
- Step 1: Write the proportion equation
124,203.13 : 186,180.12 = 57,689.97 : x - Step 2: Convert to fraction form
124,203.13/186,180.12 = 57,689.97/x - Step 3: Cross multiply
124,203.13x = 186,180.12 × 57,689.97 - Step 4: Simplify right side
124,203.13x = 10,740,725,537.40 - Step 5: Solve for x
x = 10,740,725,537.40/124,203.13 - Step 6: Final answer
x = 86,477.09
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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.