Finding the Fourth Proportional to 94,174.26, 141,909.21 and 77,900.55
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Solution
The fourth proportional to 94,174.26, 141,909.21 and 77,900.55 is: 117,386.70
Step by Step Solution
- Step 1: Write the proportion equation
94,174.26 : 141,909.21 = 77,900.55 : x - Step 2: Convert to fraction form
94,174.26/141,909.21 = 77,900.55/x - Step 3: Cross multiply
94,174.26x = 141,909.21 × 77,900.55 - Step 4: Simplify right side
94,174.26x = 11,054,805,509.07 - Step 5: Solve for x
x = 11,054,805,509.07/94,174.26 - Step 6: Final answer
x = 117,386.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.