Finding the Fourth Proportional to 119,872.96, 178,897.95 and 106,587.28
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Solution
The fourth proportional to 119,872.96, 178,897.95 and 106,587.28 is: 159,070.45
Step by Step Solution
- Step 1: Write the proportion equation
119,872.96 : 178,897.95 = 106,587.28 : x - Step 2: Convert to fraction form
119,872.96/178,897.95 = 106,587.28/x - Step 3: Cross multiply
119,872.96x = 178,897.95 × 106,587.28 - Step 4: Simplify right side
119,872.96x = 19,068,245,888.08 - Step 5: Solve for x
x = 19,068,245,888.08/119,872.96 - Step 6: Final answer
x = 159,070.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.