Finding the Fourth Proportional to 122,950.60, 169,670.15 and 69,236.26
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Solution
The fourth proportional to 122,950.60, 169,670.15 and 69,236.26 is: 95,545.09
Step by Step Solution
- Step 1: Write the proportion equation
122,950.60 : 169,670.15 = 69,236.26 : x - Step 2: Convert to fraction form
122,950.60/169,670.15 = 69,236.26/x - Step 3: Cross multiply
122,950.60x = 169,670.15 × 69,236.26 - Step 4: Simplify right side
122,950.60x = 11,747,326,619.64 - Step 5: Solve for x
x = 11,747,326,619.64/122,950.60 - Step 6: Final answer
x = 95,545.09
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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.