Finding the Fourth Proportional to 107,462.27, 148,254.63 and 64,946.99
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Solution
The fourth proportional to 107,462.27, 148,254.63 and 64,946.99 is: 89,600.68
Step by Step Solution
- Step 1: Write the proportion equation
107,462.27 : 148,254.63 = 64,946.99 : x - Step 2: Convert to fraction form
107,462.27/148,254.63 = 64,946.99/x - Step 3: Cross multiply
107,462.27x = 148,254.63 × 64,946.99 - Step 4: Simplify right side
107,462.27x = 9,628,691,972.06 - Step 5: Solve for x
x = 9,628,691,972.06/107,462.27 - Step 6: Final answer
x = 89,600.68
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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.