Finding the Fourth Proportional to 134,707.12, 185,891.84 and 74,277.75
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Solution
The fourth proportional to 134,707.12, 185,891.84 and 74,277.75 is: 102,501.10
Step by Step Solution
- Step 1: Write the proportion equation
134,707.12 : 185,891.84 = 74,277.75 : x - Step 2: Convert to fraction form
134,707.12/185,891.84 = 74,277.75/x - Step 3: Cross multiply
134,707.12x = 185,891.84 × 74,277.75 - Step 4: Simplify right side
134,707.12x = 13,807,627,594.98 - Step 5: Solve for x
x = 13,807,627,594.98/134,707.12 - Step 6: Final answer
x = 102,501.10
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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.