Finding the Fourth Proportional to 106,398.16, 159,126.66 and 94,634.48
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Solution
The fourth proportional to 106,398.16, 159,126.66 and 94,634.48 is: 141,533.17
Step by Step Solution
- Step 1: Write the proportion equation
106,398.16 : 159,126.66 = 94,634.48 : x - Step 2: Convert to fraction form
106,398.16/159,126.66 = 94,634.48/x - Step 3: Cross multiply
106,398.16x = 159,126.66 × 94,634.48 - Step 4: Simplify right side
106,398.16x = 15,058,868,723.24 - Step 5: Solve for x
x = 15,058,868,723.24/106,398.16 - Step 6: Final answer
x = 141,533.17
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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.