Finding the Fourth Proportional to 141,188.88, 211,253.97 and 84,053.79
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Solution
The fourth proportional to 141,188.88, 211,253.97 and 84,053.79 is: 125,765.55
Step by Step Solution
- Step 1: Write the proportion equation
141,188.88 : 211,253.97 = 84,053.79 : x - Step 2: Convert to fraction form
141,188.88/211,253.97 = 84,053.79/x - Step 3: Cross multiply
141,188.88x = 211,253.97 × 84,053.79 - Step 4: Simplify right side
141,188.88x = 17,756,696,831.05 - Step 5: Solve for x
x = 17,756,696,831.05/141,188.88 - Step 6: Final answer
x = 125,765.55
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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.