Finding the Fourth Proportional to 134,796.15, 186,017.31 and 74,367.99
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Solution
The fourth proportional to 134,796.15, 186,017.31 and 74,367.99 is: 102,627.07
Step by Step Solution
- Step 1: Write the proportion equation
134,796.15 : 186,017.31 = 74,367.99 : x - Step 2: Convert to fraction form
134,796.15/186,017.31 = 74,367.99/x - Step 3: Cross multiply
134,796.15x = 186,017.31 × 74,367.99 - Step 4: Simplify right side
134,796.15x = 13,833,733,449.91 - Step 5: Solve for x
x = 13,833,733,449.91/134,796.15 - Step 6: Final answer
x = 102,627.07
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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.