Finding the Fourth Proportional to 94,356.14, 130,102.38 and 75,220.95
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Solution
The fourth proportional to 94,356.14, 130,102.38 and 75,220.95 is: 103,717.95
Step by Step Solution
- Step 1: Write the proportion equation
94,356.14 : 130,102.38 = 75,220.95 : x - Step 2: Convert to fraction form
94,356.14/130,102.38 = 75,220.95/x - Step 3: Cross multiply
94,356.14x = 130,102.38 × 75,220.95 - Step 4: Simplify right side
94,356.14x = 9,786,425,108.74 - Step 5: Solve for x
x = 9,786,425,108.74/94,356.14 - Step 6: Final answer
x = 103,717.95
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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.