Finding the Fourth Proportional to 124,717.17, 187,122.23 and 74,833.07
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Solution
The fourth proportional to 124,717.17, 187,122.23 and 74,833.07 is: 112,277.48
Step by Step Solution
- Step 1: Write the proportion equation
124,717.17 : 187,122.23 = 74,833.07 : x - Step 2: Convert to fraction form
124,717.17/187,122.23 = 74,833.07/x - Step 3: Cross multiply
124,717.17x = 187,122.23 × 74,833.07 - Step 4: Simplify right side
124,717.17x = 14,002,929,696.53 - Step 5: Solve for x
x = 14,002,929,696.53/124,717.17 - Step 6: Final answer
x = 112,277.48
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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.