Finding the Fourth Proportional to 146,995.70, 202,916.13 and 99,313.63
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Solution
The fourth proportional to 146,995.70, 202,916.13 and 99,313.63 is: 137,094.74
Step by Step Solution
- Step 1: Write the proportion equation
146,995.70 : 202,916.13 = 99,313.63 : x - Step 2: Convert to fraction form
146,995.70/202,916.13 = 99,313.63/x - Step 3: Cross multiply
146,995.70x = 202,916.13 × 99,313.63 - Step 4: Simplify right side
146,995.70x = 20,152,336,576.14 - Step 5: Solve for x
x = 20,152,336,576.14/146,995.70 - Step 6: Final answer
x = 137,094.74
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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.