Finding the Fourth Proportional to 110,115.96, 151,970.66 and 61,726.08
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Solution
The fourth proportional to 110,115.96, 151,970.66 and 61,726.08 is: 85,187.95
Step by Step Solution
- Step 1: Write the proportion equation
110,115.96 : 151,970.66 = 61,726.08 : x - Step 2: Convert to fraction form
110,115.96/151,970.66 = 61,726.08/x - Step 3: Cross multiply
110,115.96x = 151,970.66 × 61,726.08 - Step 4: Simplify right side
110,115.96x = 9,380,552,736.89 - Step 5: Solve for x
x = 9,380,552,736.89/110,115.96 - Step 6: Final answer
x = 85,187.95
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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.