Finding the Fourth Proportional to 134,907.74, 186,167.79 and 74,477.08
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Solution
The fourth proportional to 134,907.74, 186,167.79 and 74,477.08 is: 102,775.67
Step by Step Solution
- Step 1: Write the proportion equation
134,907.74 : 186,167.79 = 74,477.08 : x - Step 2: Convert to fraction form
134,907.74/186,167.79 = 74,477.08/x - Step 3: Cross multiply
134,907.74x = 186,167.79 × 74,477.08 - Step 4: Simplify right side
134,907.74x = 13,865,232,923.83 - Step 5: Solve for x
x = 13,865,232,923.83/134,907.74 - Step 6: Final answer
x = 102,775.67
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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.