Finding the Fourth Proportional to 134,937.36, 186,211.44 and 74,506.50
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Solution
The fourth proportional to 134,937.36, 186,211.44 and 74,506.50 is: 102,817.80
Step by Step Solution
- Step 1: Write the proportion equation
134,937.36 : 186,211.44 = 74,506.50 : x - Step 2: Convert to fraction form
134,937.36/186,211.44 = 74,506.50/x - Step 3: Cross multiply
134,937.36x = 186,211.44 × 74,506.50 - Step 4: Simplify right side
134,937.36x = 13,873,962,654.36 - Step 5: Solve for x
x = 13,873,962,654.36/134,937.36 - Step 6: Final answer
x = 102,817.80
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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.