Finding the Fourth Proportional to 134,708.27, 185,893.83 and 74,277.88
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Solution
The fourth proportional to 134,708.27, 185,893.83 and 74,277.88 is: 102,501.50
Step by Step Solution
- Step 1: Write the proportion equation
134,708.27 : 185,893.83 = 74,277.88 : x - Step 2: Convert to fraction form
134,708.27/185,893.83 = 74,277.88/x - Step 3: Cross multiply
134,708.27x = 185,893.83 × 74,277.88 - Step 4: Simplify right side
134,708.27x = 13,807,799,132.75 - Step 5: Solve for x
x = 13,807,799,132.75/134,708.27 - Step 6: Final answer
x = 102,501.50
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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.