Finding the Fourth Proportional to 106,356.94, 146,767.84 and 57,959.03
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Solution
The fourth proportional to 106,356.94, 146,767.84 and 57,959.03 is: 79,980.88
Step by Step Solution
- Step 1: Write the proportion equation
106,356.94 : 146,767.84 = 57,959.03 : x - Step 2: Convert to fraction form
106,356.94/146,767.84 = 57,959.03/x - Step 3: Cross multiply
106,356.94x = 146,767.84 × 57,959.03 - Step 4: Simplify right side
106,356.94x = 8,506,521,863.62 - Step 5: Solve for x
x = 8,506,521,863.62/106,356.94 - Step 6: Final answer
x = 79,980.88
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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.