Finding the Fourth Proportional to 146,955.88, 202,844.94 and 86,521.72
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Solution
The fourth proportional to 146,955.88, 202,844.94 and 86,521.72 is: 119,426.95
Step by Step Solution
- Step 1: Write the proportion equation
146,955.88 : 202,844.94 = 86,521.72 : x - Step 2: Convert to fraction form
146,955.88/202,844.94 = 86,521.72/x - Step 3: Cross multiply
146,955.88x = 202,844.94 × 86,521.72 - Step 4: Simplify right side
146,955.88x = 17,550,493,102.10 - Step 5: Solve for x
x = 17,550,493,102.10/146,955.88 - Step 6: Final answer
x = 119,426.95
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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.