Finding the Fourth Proportional to 126,345.06, 174,356.19 and 69,756.42
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Solution
The fourth proportional to 126,345.06, 174,356.19 and 69,756.42 is: 96,263.86
Step by Step Solution
- Step 1: Write the proportion equation
126,345.06 : 174,356.19 = 69,756.42 : x - Step 2: Convert to fraction form
126,345.06/174,356.19 = 69,756.42/x - Step 3: Cross multiply
126,345.06x = 174,356.19 × 69,756.42 - Step 4: Simplify right side
126,345.06x = 12,162,463,619.24 - Step 5: Solve for x
x = 12,162,463,619.24/126,345.06 - Step 6: Final answer
x = 96,263.86
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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.