Finding the Fourth Proportional to 159,737.84, 220,437.60 and 88,122.32
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Solution
The fourth proportional to 159,737.84, 220,437.60 and 88,122.32 is: 121,608.46
Step by Step Solution
- Step 1: Write the proportion equation
159,737.84 : 220,437.60 = 88,122.32 : x - Step 2: Convert to fraction form
159,737.84/220,437.60 = 88,122.32/x - Step 3: Cross multiply
159,737.84x = 220,437.60 × 88,122.32 - Step 4: Simplify right side
159,737.84x = 19,425,472,727.23 - Step 5: Solve for x
x = 19,425,472,727.23/159,737.84 - Step 6: Final answer
x = 121,608.46
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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.