Finding the Fourth Proportional to 135,135.18, 186,486.53 and 73,881.59
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Solution
The fourth proportional to 135,135.18, 186,486.53 and 73,881.59 is: 101,956.57
Step by Step Solution
- Step 1: Write the proportion equation
135,135.18 : 186,486.53 = 73,881.59 : x - Step 2: Convert to fraction form
135,135.18/186,486.53 = 73,881.59/x - Step 3: Cross multiply
135,135.18x = 186,486.53 × 73,881.59 - Step 4: Simplify right side
135,135.18x = 13,777,920,048.14 - Step 5: Solve for x
x = 13,777,920,048.14/135,135.18 - Step 6: Final answer
x = 101,956.57
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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.