Finding the Fourth Proportional to 124,720.44, 172,117.99 and 68,135.46
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Solution
The fourth proportional to 124,720.44, 172,117.99 and 68,135.46 is: 94,029.00
Step by Step Solution
- Step 1: Write the proportion equation
124,720.44 : 172,117.99 = 68,135.46 : x - Step 2: Convert to fraction form
124,720.44/172,117.99 = 68,135.46/x - Step 3: Cross multiply
124,720.44x = 172,117.99 × 68,135.46 - Step 4: Simplify right side
124,720.44x = 11,727,338,422.93 - Step 5: Solve for x
x = 11,727,338,422.93/124,720.44 - Step 6: Final answer
x = 94,029.00
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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.