Finding the Fourth Proportional to 158,108.87, 218,155.28 and 96,868.00
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Solution
The fourth proportional to 158,108.87, 218,155.28 and 96,868.00 is: 133,656.42
Step by Step Solution
- Step 1: Write the proportion equation
158,108.87 : 218,155.28 = 96,868.00 : x - Step 2: Convert to fraction form
158,108.87/218,155.28 = 96,868.00/x - Step 3: Cross multiply
158,108.87x = 218,155.28 × 96,868.00 - Step 4: Simplify right side
158,108.87x = 21,132,264,633.31 - Step 5: Solve for x
x = 21,132,264,633.31/158,108.87 - Step 6: Final answer
x = 133,656.42
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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.