Finding the Fourth Proportional to 104,206.65, 143,804.97 and 56,460.19
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Solution
The fourth proportional to 104,206.65, 143,804.97 and 56,460.19 is: 77,914.95
Step by Step Solution
- Step 1: Write the proportion equation
104,206.65 : 143,804.97 = 56,460.19 : x - Step 2: Convert to fraction form
104,206.65/143,804.97 = 56,460.19/x - Step 3: Cross multiply
104,206.65x = 143,804.97 × 56,460.19 - Step 4: Simplify right side
104,206.65x = 8,119,255,839.27 - Step 5: Solve for x
x = 8,119,255,839.27/104,206.65 - Step 6: Final answer
x = 77,914.95
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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.