Finding the Fourth Proportional to 115,977.87, 160,053.39 and 110,663.46
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Solution
The fourth proportional to 115,977.87, 160,053.39 and 110,663.46 is: 152,719.32
Step by Step Solution
- Step 1: Write the proportion equation
115,977.87 : 160,053.39 = 110,663.46 : x - Step 2: Convert to fraction form
115,977.87/160,053.39 = 110,663.46/x - Step 3: Cross multiply
115,977.87x = 160,053.39 × 110,663.46 - Step 4: Simplify right side
115,977.87x = 17,712,061,922.13 - Step 5: Solve for x
x = 17,712,061,922.13/115,977.87 - Step 6: Final answer
x = 152,719.32
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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.