Finding the Fourth Proportional to 147,973.26, 222,032.79 and 91,798.95
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Solution
The fourth proportional to 147,973.26, 222,032.79 and 91,798.95 is: 137,743.65
Step by Step Solution
- Step 1: Write the proportion equation
147,973.26 : 222,032.79 = 91,798.95 : x - Step 2: Convert to fraction form
147,973.26/222,032.79 = 91,798.95/x - Step 3: Cross multiply
147,973.26x = 222,032.79 × 91,798.95 - Step 4: Simplify right side
147,973.26x = 20,382,376,987.57 - Step 5: Solve for x
x = 20,382,376,987.57/147,973.26 - Step 6: Final answer
x = 137,743.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.