Finding the Fourth Proportional to 134,778.14, 185,995.20 and 74,350.92
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Solution
The fourth proportional to 134,778.14, 185,995.20 and 74,350.92 is: 102,605.02
Step by Step Solution
- Step 1: Write the proportion equation
134,778.14 : 185,995.20 = 74,350.92 : x - Step 2: Convert to fraction form
134,778.14/185,995.20 = 74,350.92/x - Step 3: Cross multiply
134,778.14x = 185,995.20 × 74,350.92 - Step 4: Simplify right side
134,778.14x = 13,828,914,235.58 - Step 5: Solve for x
x = 13,828,914,235.58/134,778.14 - Step 6: Final answer
x = 102,605.02
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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.