Finding the Fourth Proportional to 130,696.05, 196,044.08 and 128,071.65
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Solution
The fourth proportional to 130,696.05, 196,044.08 and 128,071.65 is: 192,107.48
Step by Step Solution
- Step 1: Write the proportion equation
130,696.05 : 196,044.08 = 128,071.65 : x - Step 2: Convert to fraction form
130,696.05/196,044.08 = 128,071.65/x - Step 3: Cross multiply
130,696.05x = 196,044.08 × 128,071.65 - Step 4: Simplify right side
130,696.05x = 25,107,688,157.97 - Step 5: Solve for x
x = 25,107,688,157.97/130,696.05 - Step 6: Final answer
x = 192,107.48
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1.5x scale
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.