Finding the Fourth Proportional to 124,422.04, 186,307.75 and 68,145.09
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Solution
The fourth proportional to 124,422.04, 186,307.75 and 68,145.09 is: 102,039.46
Step by Step Solution
- Step 1: Write the proportion equation
124,422.04 : 186,307.75 = 68,145.09 : x - Step 2: Convert to fraction form
124,422.04/186,307.75 = 68,145.09/x - Step 3: Cross multiply
124,422.04x = 186,307.75 × 68,145.09 - Step 4: Simplify right side
124,422.04x = 12,695,958,391.45 - Step 5: Solve for x
x = 12,695,958,391.45/124,422.04 - Step 6: Final answer
x = 102,039.46
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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.