Finding the Fourth Proportional to 106,557.62, 147,048.79 and 58,810.97
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Solution
The fourth proportional to 106,557.62, 147,048.79 and 58,810.97 is: 81,158.74
Step by Step Solution
- Step 1: Write the proportion equation
106,557.62 : 147,048.79 = 58,810.97 : x - Step 2: Convert to fraction form
106,557.62/147,048.79 = 58,810.97/x - Step 3: Cross multiply
106,557.62x = 147,048.79 × 58,810.97 - Step 4: Simplify right side
106,557.62x = 8,648,081,977.23 - Step 5: Solve for x
x = 8,648,081,977.23/106,557.62 - Step 6: Final answer
x = 81,158.74
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1.5x scale
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.