Finding the Fourth Proportional to 121,027.05, 167,004.45 and 67,303.44
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Solution
The fourth proportional to 121,027.05, 167,004.45 and 67,303.44 is: 92,871.59
Step by Step Solution
- Step 1: Write the proportion equation
121,027.05 : 167,004.45 = 67,303.44 : x - Step 2: Convert to fraction form
121,027.05/167,004.45 = 67,303.44/x - Step 3: Cross multiply
121,027.05x = 167,004.45 × 67,303.44 - Step 4: Simplify right side
121,027.05x = 11,239,973,980.31 - Step 5: Solve for x
x = 11,239,973,980.31/121,027.05 - Step 6: Final answer
x = 92,871.59
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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.