Finding the Fourth Proportional to 134,823.05, 186,052.62 and 74,393.70
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Solution
The fourth proportional to 134,823.05, 186,052.62 and 74,393.70 is: 102,661.55
Step by Step Solution
- Step 1: Write the proportion equation
134,823.05 : 186,052.62 = 74,393.70 : x - Step 2: Convert to fraction form
134,823.05/186,052.62 = 74,393.70/x - Step 3: Cross multiply
134,823.05x = 186,052.62 × 74,393.70 - Step 4: Simplify right side
134,823.05x = 13,841,142,796.49 - Step 5: Solve for x
x = 13,841,142,796.49/134,823.05 - Step 6: Final answer
x = 102,661.55
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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.