Finding the Fourth Proportional to 124,412.05, 186,292.76 and 68,135.07
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Solution
The fourth proportional to 124,412.05, 186,292.76 and 68,135.07 is: 102,024.45
Step by Step Solution
- Step 1: Write the proportion equation
124,412.05 : 186,292.76 = 68,135.07 : x - Step 2: Convert to fraction form
124,412.05/186,292.76 = 68,135.07/x - Step 3: Cross multiply
124,412.05x = 186,292.76 × 68,135.07 - Step 4: Simplify right side
124,412.05x = 12,693,070,984.28 - Step 5: Solve for x
x = 12,693,070,984.28/124,412.05 - Step 6: Final answer
x = 102,024.45
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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.