Finding the Fourth Proportional to 102,270.88, 141,177.36 and 68,756.32
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Solution
The fourth proportional to 102,270.88, 141,177.36 and 68,756.32 is: 94,913.00
Step by Step Solution
- Step 1: Write the proportion equation
102,270.88 : 141,177.36 = 68,756.32 : x - Step 2: Convert to fraction form
102,270.88/141,177.36 = 68,756.32/x - Step 3: Cross multiply
102,270.88x = 141,177.36 × 68,756.32 - Step 4: Simplify right side
102,270.88x = 9,706,835,740.92 - Step 5: Solve for x
x = 9,706,835,740.92/102,270.88 - Step 6: Final answer
x = 94,913.00
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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.