Finding the Fourth Proportional to 134,927.19, 186,194.70 and 74,496.60
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Solution
The fourth proportional to 134,927.19, 186,194.70 and 74,496.60 is: 102,802.65
Step by Step Solution
- Step 1: Write the proportion equation
134,927.19 : 186,194.70 = 74,496.60 : x - Step 2: Convert to fraction form
134,927.19/186,194.70 = 74,496.60/x - Step 3: Cross multiply
134,927.19x = 186,194.70 × 74,496.60 - Step 4: Simplify right side
134,927.19x = 13,870,872,088.02 - Step 5: Solve for x
x = 13,870,872,088.02/134,927.19 - Step 6: Final answer
x = 102,802.65
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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.