Finding the Fourth Proportional to 126,710.76, 174,574.09 and 104,013.80
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Solution
The fourth proportional to 126,710.76, 174,574.09 and 104,013.80 is: 143,303.65
Step by Step Solution
- Step 1: Write the proportion equation
126,710.76 : 174,574.09 = 104,013.80 : x - Step 2: Convert to fraction form
126,710.76/174,574.09 = 104,013.80/x - Step 3: Cross multiply
126,710.76x = 174,574.09 × 104,013.80 - Step 4: Simplify right side
126,710.76x = 18,158,113,318.17 - Step 5: Solve for x
x = 18,158,113,318.17/126,710.76 - Step 6: Final answer
x = 143,303.65
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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.