Finding the Fourth Proportional to 159,508.67, 219,922.36 and 102,053.75
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Solution
The fourth proportional to 159,508.67, 219,922.36 and 102,053.75 is: 140,706.46
Step by Step Solution
- Step 1: Write the proportion equation
159,508.67 : 219,922.36 = 102,053.75 : x - Step 2: Convert to fraction form
159,508.67/219,922.36 = 102,053.75/x - Step 3: Cross multiply
159,508.67x = 219,922.36 × 102,053.75 - Step 4: Simplify right side
159,508.67x = 22,443,900,192.10 - Step 5: Solve for x
x = 22,443,900,192.10/159,508.67 - Step 6: Final answer
x = 140,706.46
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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.