Finding the Fourth Proportional to 104,240.65, 143,852.05 and 56,493.99
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Solution
The fourth proportional to 104,240.65, 143,852.05 and 56,493.99 is: 77,961.68
Step by Step Solution
- Step 1: Write the proportion equation
104,240.65 : 143,852.05 = 56,493.99 : x - Step 2: Convert to fraction form
104,240.65/143,852.05 = 56,493.99/x - Step 3: Cross multiply
104,240.65x = 143,852.05 × 56,493.99 - Step 4: Simplify right side
104,240.65x = 8,126,776,274.18 - Step 5: Solve for x
x = 8,126,776,274.18/104,240.65 - Step 6: Final answer
x = 77,961.68
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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.