Finding the Fourth Proportional to 112,957.98, 169,701.74 and 106,574.70
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Solution
The fourth proportional to 112,957.98, 169,701.74 and 106,574.70 is: 160,111.86
Step by Step Solution
- Step 1: Write the proportion equation
112,957.98 : 169,701.74 = 106,574.70 : x - Step 2: Convert to fraction form
112,957.98/169,701.74 = 106,574.70/x - Step 3: Cross multiply
112,957.98x = 169,701.74 × 106,574.70 - Step 4: Simplify right side
112,957.98x = 18,085,912,029.98 - Step 5: Solve for x
x = 18,085,912,029.98/112,957.98 - Step 6: Final answer
x = 160,111.86
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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.