Finding the Fourth Proportional to 120,726.05, 166,594.11 and 67,011.08
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Solution
The fourth proportional to 120,726.05, 166,594.11 and 67,011.08 is: 92,470.94
Step by Step Solution
- Step 1: Write the proportion equation
120,726.05 : 166,594.11 = 67,011.08 : x - Step 2: Convert to fraction form
120,726.05/166,594.11 = 67,011.08/x - Step 3: Cross multiply
120,726.05x = 166,594.11 × 67,011.08 - Step 4: Simplify right side
120,726.05x = 11,163,650,399.77 - Step 5: Solve for x
x = 11,163,650,399.77/120,726.05 - Step 6: Final answer
x = 92,470.94
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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.