Finding the Fourth Proportional to 134,961.67, 186,246.48 and 74,532.05
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Solution
The fourth proportional to 134,961.67, 186,246.48 and 74,532.05 is: 102,853.88
Step by Step Solution
- Step 1: Write the proportion equation
134,961.67 : 186,246.48 = 74,532.05 : x - Step 2: Convert to fraction form
134,961.67/186,246.48 = 74,532.05/x - Step 3: Cross multiply
134,961.67x = 186,246.48 × 74,532.05 - Step 4: Simplify right side
134,961.67x = 13,881,331,482.32 - Step 5: Solve for x
x = 13,881,331,482.32/134,961.67 - Step 6: Final answer
x = 102,853.88
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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.