Finding the Fourth Proportional to 126,454.58, 174,509.16 and 69,867.26
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Solution
The fourth proportional to 126,454.58, 174,509.16 and 69,867.26 is: 96,417.84
Step by Step Solution
- Step 1: Write the proportion equation
126,454.58 : 174,509.16 = 69,867.26 : x - Step 2: Convert to fraction form
126,454.58/174,509.16 = 69,867.26/x - Step 3: Cross multiply
126,454.58x = 174,509.16 × 69,867.26 - Step 4: Simplify right side
126,454.58x = 12,192,476,854.10 - Step 5: Solve for x
x = 12,192,476,854.10/126,454.58 - Step 6: Final answer
x = 96,417.84
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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.