Finding the Fourth Proportional to 134,802.15, 186,027.62 and 74,372.79
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Solution
The fourth proportional to 134,802.15, 186,027.62 and 74,372.79 is: 102,634.81
Step by Step Solution
- Step 1: Write the proportion equation
134,802.15 : 186,027.62 = 74,372.79 : x - Step 2: Convert to fraction form
134,802.15/186,027.62 = 74,372.79/x - Step 3: Cross multiply
134,802.15x = 186,027.62 × 74,372.79 - Step 4: Simplify right side
134,802.15x = 13,835,392,744.60 - Step 5: Solve for x
x = 13,835,392,744.60/134,802.15 - Step 6: Final answer
x = 102,634.81
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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.