Finding the Fourth Proportional to 121,248.08, 167,330.76 and 73,503.44
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Solution
The fourth proportional to 121,248.08, 167,330.76 and 73,503.44 is: 101,439.85
Step by Step Solution
- Step 1: Write the proportion equation
121,248.08 : 167,330.76 = 73,503.44 : x - Step 2: Convert to fraction form
121,248.08/167,330.76 = 73,503.44/x - Step 3: Cross multiply
121,248.08x = 167,330.76 × 73,503.44 - Step 4: Simplify right side
121,248.08x = 12,299,386,477.81 - Step 5: Solve for x
x = 12,299,386,477.81/121,248.08 - Step 6: Final answer
x = 101,439.85
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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.